{"id":19627,"date":"2024-09-05T10:29:31","date_gmt":"2024-09-05T10:29:31","guid":{"rendered":"https:\/\/beststringer.com\/international-tennis-federation-itf-regulations\/"},"modified":"2025-07-12T15:08:11","modified_gmt":"2025-07-12T15:08:11","slug":"international-tennis-federation-itf-regulations","status":"publish","type":"post","link":"https:\/\/beststringer.com\/ja\/international-tennis-federation-itf-regulations\/","title":{"rendered":"\u56fd\u969b\u30c6\u30cb\u30b9\u9023\u76df\uff08ITF\uff09\u898f\u5b9a"},"content":{"rendered":"<div class=\"gb-container gb-container-f66bc834\">\n<div id=\"ez-toc-container\" class=\"ez-toc-v2_0_82_2 ez-toc-wrap-left counter-hierarchy ez-toc-counter ez-toc-custom ez-toc-container-direction\">\n<div class=\"ez-toc-title-container\">\n<p class=\"ez-toc-title\" style=\"cursor:inherit\">\u30c8\u30d4\u30c3\u30af<\/p>\n<span class=\"ez-toc-title-toggle\"><a href=\"#\" class=\"ez-toc-pull-right ez-toc-btn ez-toc-btn-xs ez-toc-btn-default ez-toc-toggle\" aria-label=\"Toggle Table of Content\"><span class=\"ez-toc-js-icon-con\"><span class=\"\"><span class=\"eztoc-hide\" style=\"display:none;\">Toggle<\/span><span class=\"ez-toc-icon-toggle-span\"><svg style=\"fill: #ffffff;color:#ffffff\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\" class=\"list-377408\" width=\"20px\" height=\"20px\" viewBox=\"0 0 24 24\" fill=\"none\"><path d=\"M6 6H4v2h2V6zm14 0H8v2h12V6zM4 11h2v2H4v-2zm16 0H8v2h12v-2zM4 16h2v2H4v-2zm16 0H8v2h12v-2z\" fill=\"currentColor\"><\/path><\/svg><svg style=\"fill: #ffffff;color:#ffffff\" class=\"arrow-unsorted-368013\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\" width=\"10px\" height=\"10px\" viewBox=\"0 0 24 24\" version=\"1.2\" baseProfile=\"tiny\"><path d=\"M18.2 9.3l-6.2-6.3-6.2 6.3c-.2.2-.3.4-.3.7s.1.5.3.7c.2.2.4.3.7.3h11c.3 0 .5-.1.7-.3.2-.2.3-.5.3-.7s-.1-.5-.3-.7zM5.8 14.7l6.2 6.3 6.2-6.3c.2-.2.3-.5.3-.7s-.1-.5-.3-.7c-.2-.2-.4-.3-.7-.3h-11c-.3 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href=\"https:\/\/beststringer.com\/ja\/international-tennis-federation-itf-regulations\/#%E3%83%86%E3%83%8B%E3%82%B9%E3%83%A9%E3%82%B1%E3%83%83%E3%83%88%E3%81%AE%E4%BB%95%E6%A7%98\" >\u30c6\u30cb\u30b9\u30e9\u30b1\u30c3\u30c8\u306e\u4ed5\u69d8<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-4\" href=\"https:\/\/beststringer.com\/ja\/international-tennis-federation-itf-regulations\/#%E3%83%90%E3%83%89%E3%83%9F%E3%83%B3%E3%83%88%E3%83%B3%E3%83%A9%E3%82%B1%E3%83%83%E3%83%88%E3%81%AE%E4%BB%95%E6%A7%98\" >\u30d0\u30c9\u30df\u30f3\u30c8\u30f3\u30e9\u30b1\u30c3\u30c8\u306e\u4ed5\u69d8<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-5\" href=\"https:\/\/beststringer.com\/ja\/international-tennis-federation-itf-regulations\/#%E8%A6%8F%E5%89%87%E9%81%B5%E5%AE%88%E3%81%AE%E9%87%8D%E8%A6%81%E6%80%A7\" >\u898f\u5247\u9075\u5b88\u306e\u91cd\u8981\u6027<\/a><ul class='ez-toc-list-level-3' ><li class='ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-6\" href=\"https:\/\/beststringer.com\/ja\/international-tennis-federation-itf-regulations\/#ITF%E8%A6%8F%E5%89%87%E3%82%AF%E3%82%A4%E3%82%BA\" >ITF\u898f\u5247\u30af\u30a4\u30ba<\/a><\/li><\/ul><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-7\" href=\"https:\/\/beststringer.com\/ja\/international-tennis-federation-itf-regulations\/#%E3%82%B9%E3%83%88%E3%83%AA%E3%83%B3%E3%82%AE%E3%83%B3%E3%82%B0%E3%81%B8%E3%81%AE%E5%BD%B1%E9%9F%BF\" >\u30b9\u30c8\u30ea\u30f3\u30ae\u30f3\u30b0\u3078\u306e\u5f71\u97ff<\/a><ul class='ez-toc-list-level-3' ><li class='ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-8\" href=\"https:\/\/beststringer.com\/ja\/international-tennis-federation-itf-regulations\/#%E3%82%B9%E3%83%88%E3%83%AA%E3%83%B3%E3%82%B0%E5%AF%BF%E5%91%BD%E8%A8%88%E7%AE%97%E6%A9%9F\" >\u30b9\u30c8\u30ea\u30f3\u30b0\u5bff\u547d\u8a08\u7b97\u6a5f<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-9\" href=\"https:\/\/beststringer.com\/ja\/international-tennis-federation-itf-regulations\/#%E3%83%99%E3%82%B9%E3%83%88%E3%83%BB%E3%82%B9%E3%83%88%E3%83%AA%E3%83%B3%E3%82%AC%E3%83%BC%E3%83%BB%E3%83%AF%E3%83%BC%E3%83%AB%E3%83%89%E3%83%AF%E3%82%A4%E3%83%89%E3%81%AB%E3%81%A4%E3%81%84%E3%81%A6\" 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class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<p>ITF\u306f\u3001\u30b0\u30e9\u30f3\u30c9\u30b9\u30e9\u30e0\u5927\u4f1a\u3001\u30c7\u30d3\u30b9\u30ab\u30c3\u30d7\u3001\u30d5\u30a7\u30c9\u30ab\u30c3\u30d7\u306a\u3069\u306e\u56fd\u969b\u30c6\u30cb\u30b9\u7af6\u6280\u4f1a\u306e\u898f\u5247\u3092\u8a2d\u5b9a\u3057\u3001\u65bd\u884c\u3057\u3066\u3044\u307e\u3059\u3002\u3053\u308c\u3089\u306e\u898f\u5247\u306f\u3001\u30b3\u30fc\u30c8\u306e\u5bf8\u6cd5\u304b\u3089\u30d7\u30ec\u30fc\u30e4\u30fc\u306e\u884c\u52d5\u307e\u3067\u3001\u30b9\u30dd\u30fc\u30c4\u306e\u69d8\u3005\u306a\u5074\u9762\u3092\u7db2\u7f85\u3057\u3066\u3044\u307e\u3059\u3002\u3057\u304b\u3057\u3001\u30b9\u30c8\u30ea\u30f3\u30ac\u30fc\u3084\u30d7\u30ec\u30fc\u30e4\u30fc\u306b\u3068\u3063\u3066\u3001\u30c6\u30cb\u30b9\u30e9\u30b1\u30c3\u30c8\u306b\u95a2\u3059\u308b\u898f\u5247\u306f\u7279\u306b\u91cd\u8981\u3067\u3059\u3002<\/p>\n\n\n\n<div id=\"spec-checker\" style=\"max-width: 600px; margin: 20px auto; padding: 20px; border: 1px solid #ddd; border-radius: 8px; background-color: #f9f9f9;\">\n<h3 style=\"color: #333; text-align: center;\"><span class=\"ez-toc-section\" id=\"%E3%83%A9%E3%82%B1%E3%83%83%E3%83%88%E4%BB%95%E6%A7%98%E3%83%81%E3%82%A7%E3%83%83%E3%82%AB%E3%83%BC\"><\/span>\u30e9\u30b1\u30c3\u30c8\u4ed5\u69d8\u30c1\u30a7\u30c3\u30ab\u30fc<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<div style=\"margin-bottom: 15px;\">\n<label for=\"overall-length\" style=\"display: block; margin-bottom: 5px;\">\u5168\u9577 (\u30a4\u30f3\u30c1):<\/label>\n<input type=\"number\" id=\"overall-length\" min=\"20\" max=\"35\" step=\"0.1\" value=\"27\" style=\"width: 100%; padding: 5px;\">\n<\/div>\n<div style=\"margin-bottom: 15px;\">\n<label for=\"overall-width\" style=\"display: block; margin-bottom: 5px;\">\u5168\u5e45 (\u30a4\u30f3\u30c1):<\/label>\n<input type=\"number\" id=\"overall-width\" min=\"8\" max=\"15\" step=\"0.1\" value=\"10.5\" style=\"width: 100%; padding: 5px;\">\n<\/div>\n<div 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class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<p>ITF\u898f\u5247\u306b\u3088\u308b\u3068\u3001\u30c6\u30cb\u30b9\u30e9\u30b1\u30c3\u30c8\u306f\u7279\u5b9a\u306e\u5bf8\u6cd5\u3068\u7279\u6027\u306b\u6e96\u62e0\u3059\u308b\u5fc5\u8981\u304c\u3042\u308a\u307e\u3059\uff1a<\/p>\n\n\n\n<ol class=\"wp-block-list\">\n<li><strong>\u30e9\u30b1\u30c3\u30c8\u5168\u9577<\/strong>: \u30cf\u30f3\u30c9\u30eb\u3092\u542b\u3080\u30e9\u30b1\u30c3\u30c8\u306e\u5168\u9577\u306f\u300129\u30a4\u30f3\u30c1\uff0873.68 cm\uff09\u3092\u8d85\u3048\u3066\u306f\u306a\u308a\u307e\u305b\u3093\u3002<\/li>\n\n\n\n<li><strong>\u30e9\u30b1\u30c3\u30c8\u5e45<\/strong>: \u30e9\u30b1\u30c3\u30c8\u306e\u5168\u5e45\u306f\u300112.5\u30a4\u30f3\u30c1\uff0831.75 cm\uff09\u3092\u8d85\u3048\u3066\u306f\u306a\u308a\u307e\u305b\u3093\u3002<\/li>\n\n\n\n<li><strong>\u6253\u7403\u9762<\/strong>: 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\u30b9\u30c8\u30ea\u30f3\u30ae\u30f3\u30b0\u30d1\u30bf\u30fc\u30f3\u306f\u3001\u7279\u306b\u6253\u7403\u9762\u306e\u4e2d\u592e\u90e8\u306b\u304a\u3044\u3066\u3001\u5168\u4f53\u7684\u306b\u5747\u4e00\u3067\u306a\u3051\u308c\u3070\u306a\u308a\u307e\u305b\u3093\u3002\u305f\u3060\u3057\u3001ITF\u306f\u4e2d\u592e\u90e8\u5206\u3067\u308f\u305a\u304b\u306b\u5bc6\u306a\u30b9\u30c8\u30ea\u30f3\u30ae\u30f3\u30b0\u3092\u8a31\u53ef\u3057\u3066\u3044\u307e\u3059\u3002<\/li>\n\n\n\n<li><strong>\u30d5\u30ec\u30fc\u30e0\u306e\u6539\u9020<\/strong>: \u30cf\u30f3\u30c9\u30eb\u3068\u30b9\u30c8\u30ea\u30f3\u30b0\u3092\u542b\u3080\u30d5\u30ec\u30fc\u30e0\u306b\u306f\u3001\u6469\u8017\u3001\u632f\u52d5\u3092\u5236\u9650\u307e\u305f\u306f\u9632\u6b62\u3059\u308b\u305f\u3081\u3001\u3042\u308b\u3044\u306f\u91cd\u91cf\u3092\u5206\u6563\u3059\u308b\u305f\u3081\u306b\u306e\u307f\u4f7f\u7528\u3055\u308c\u308b\u3082\u306e\u3092\u9664\u304d\u3001\u3044\u304b\u306a\u308b\u4ed8\u5c5e\u7269\u3084\u7a81\u8d77\u7269\u3082\u3042\u3063\u3066\u306f\u306a\u308a\u307e\u305b\u3093\u3002<\/li>\n<\/ol>\n\n\n\n<style>\n.comparison-table {\nwidth: 100%;\nborder-collapse: collapse;\nmargin: 20px 0;\nfont-size: 16px;\n}\n.comparison-table th, .comparison-table td {\nborder: 1px solid #ddd;\npadding: 12px;\ntext-align: left;\n}\n.comparison-table th {\nbackground-color: #f2f2f2;\nfont-weight: bold;\n}\n.comparison-table tr:nth-child(even) {\nbackground-color: #f9f9f9;\n}\n@media screen and (max-width: 600px) {\n.comparison-table {\nfont-size: 14px;\n}\n.comparison-table th, .comparison-table td {\npadding: 8px;\n}\n}\n<\/style>\n\n<table class=\"comparison-table\">\n<thead>\n<tr>\n<th>\u4ed5\u69d8<\/th>\n<th>\u30c6\u30cb\u30b9 (ITF)<\/th>\n<th>\u30d0\u30c9\u30df\u30f3\u30c8\u30f3 (BWF)<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td>\u5168\u9577<\/td>\n<td>\u6700\u592729\u30a4\u30f3\u30c1 (73.68 cm)<\/td>\n<td>\u6700\u5927680 mm<\/td>\n<\/tr>\n<tr>\n<td>\u5168\u5e45<\/td>\n<td>\u6700\u592712.5\u30a4\u30f3\u30c1 (31.75 cm)<\/td>\n<td>\u6700\u5927230 mm<\/td>\n<\/tr>\n<tr>\n<td>\u6253\u7403\u9762\u9577<\/td>\n<td>\u6700\u592715.5\u30a4\u30f3\u30c1 (39.37 cm)<\/td>\n<td>\u6700\u5927280 mm<\/td>\n<\/tr>\n<tr>\n<td>\u6253\u7403\u9762\u5e45<\/td>\n<td>\u6700\u592711.5\u30a4\u30f3\u30c1 (29.21 cm)<\/td>\n<td>\u6700\u5927220 mm<\/td>\n<\/tr>\n<tr>\n<td>\u30b9\u30c8\u30ea\u30f3\u30b0\u30d1\u30bf\u30fc\u30f3<\/td>\n<td>\u5747\u4e00\u3001\u4e2d\u592e\u90e8\u82e5\u5e72\u5bc6\u3082\u53ef<\/td>\n<td>\u5747\u4e00\u30d1\u30bf\u30fc\u30f3\u5fc5\u9808<\/td>\n<\/tr>\n<tr>\n<td>\u30d5\u30ec\u30fc\u30e0\u6539\u9020<\/td>\n<td>\u6469\u8017\u9632\u6b62\u3001\u632f\u52d5\u8efd\u6e1b\u3001\u91cd\u91cf\u914d\u5206\u306b\u9650\u5b9a<\/td>\n<td>\u30c6\u30cb\u30b9\u898f\u5247\u306b\u985e\u4f3c<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n\n\n\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"%E3%83%90%E3%83%89%E3%83%9F%E3%83%B3%E3%83%88%E3%83%B3%E3%83%A9%E3%82%B1%E3%83%83%E3%83%88%E3%81%AE%E4%BB%95%E6%A7%98\"><\/span>\u30d0\u30c9\u30df\u30f3\u30c8\u30f3\u30e9\u30b1\u30c3\u30c8\u306e\u4ed5\u69d8<span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<p>\u4e3b\u306b\u30c6\u30cb\u30b9\u306b\u7126\u70b9\u3092\u5f53\u3066\u3066\u3044\u307e\u3059\u304c\u3001ITF\u898f\u5247\u3092\u4ed6\u306e\u30e9\u30b1\u30c3\u30c8\u30b9\u30dd\u30fc\u30c4\u306e\u898f\u5247\u3068\u6bd4\u8f03\u3059\u308b\u306e\u306f\u8208\u5473\u6df1\u3044\u3053\u3068\u3067\u3059\u3002\u4e16\u754c\u30d0\u30c9\u30df\u30f3\u30c8\u30f3\u9023\u76df\uff08BWF\uff09\u306f\u3001\u30d0\u30c9\u30df\u30f3\u30c8\u30f3\u30e9\u30b1\u30c3\u30c8\u306b\u3064\u3044\u3066\u4ee5\u4e0b\u306e\u4ed5\u69d8\u3092\u8a2d\u5b9a\u3057\u3066\u3044\u307e\u3059\uff1a<\/p>\n\n\n\n<ol class=\"wp-block-list\">\n<li><strong>\u30e9\u30b1\u30c3\u30c8\u5168\u9577<\/strong>: 680 mm\u3092\u8d85\u3048\u3066\u306f\u306a\u308a\u307e\u305b\u3093\u3002<\/li>\n\n\n\n<li><strong>\u30e9\u30b1\u30c3\u30c8\u5e45<\/strong>: 230 mm\u3092\u8d85\u3048\u3066\u306f\u306a\u308a\u307e\u305b\u3093\u3002<\/li>\n<\/ol>\n\n\n\n<p><strong>\u30e9\u30b1\u30c3\u30c8\u306e\u69cb\u6210\u8981\u7d20<\/strong>:<\/p>\n\n\n\n<ol class=\"wp-block-list\">\n<li>\u30cf\u30f3\u30c9\u30eb: \u30d7\u30ec\u30fc\u30e4\u30fc\u304c\u63e1\u308b\u90e8\u5206\u3002<\/li>\n\n\n\n<li>\u30b9\u30c8\u30ea\u30f3\u30b0\u30a8\u30ea\u30a2: \u30b7\u30e3\u30c8\u30eb\u3092\u6253\u3064\u305f\u3081\u306b\u4f7f\u7528\u3055\u308c\u308b\u30e9\u30b1\u30c3\u30c8\u306e\u90e8\u5206\u3002<\/li>\n\n\n\n<li>\u30d8\u30c3\u30c9: \u30b9\u30c8\u30ea\u30f3\u30b0\u30a8\u30ea\u30a2\u3092\u56f2\u3080\u90e8\u5206\u3002<\/li>\n\n\n\n<li>\u30b7\u30e3\u30d5\u30c8: \u30cf\u30f3\u30c9\u30eb\u3068\u30d8\u30c3\u30c9\u3092\u63a5\u7d9a\u3059\u308b\u90e8\u5206\u3002<\/li>\n\n\n\n<li>\u30b9\u30ed\u30fc\u30c8\uff08\u5b58\u5728\u3059\u308b\u5834\u5408\uff09: \u30b7\u30e3\u30d5\u30c8\u3068\u30d8\u30c3\u30c9\u3092\u63a5\u7d9a\u3059\u308b\u90e8\u5206\u3002<\/li>\n<\/ol>\n\n\n\n<p><strong>\u30b9\u30c8\u30ea\u30f3\u30b0\u30a8\u30ea\u30a2<\/strong>:<\/p>\n\n\n\n<ol class=\"wp-block-list\">\n<li>\u5e73\u3089\u3067\u3001\u4ea4\u5dee\u3059\u308b\u30b9\u30c8\u30ea\u30f3\u30b0\u306e\u30d1\u30bf\u30fc\u30f3\u3067\u69cb\u6210\u3055\u308c\u3066\u3044\u306a\u3051\u308c\u3070\u306a\u308a\u307e\u305b\u3093\u3002<\/li>\n\n\n\n<li>\u9577\u3055\u306f280 mm\u3092\u8d85\u3048\u3066\u306f\u306a\u308a\u307e\u305b\u3093\u3002<\/li>\n\n\n\n<li>\u5e45\u306f220 mm\u3092\u8d85\u3048\u3066\u306f\u306a\u308a\u307e\u305b\u3093\u3002<\/li>\n<\/ol>\n\n\n\n<p><strong>\u30d5\u30ec\u30fc\u30e0\u306e\u6539\u9020<\/strong>: \u30c6\u30cb\u30b9\u898f\u5247\u3068\u540c\u69d8\u306b\u3001\u30d0\u30c9\u30df\u30f3\u30c8\u30f3\u30e9\u30b1\u30c3\u30c8\u306b\u306f\u3001\u6469\u8017\u3001\u632f\u52d5\u3092\u5236\u9650\u3059\u308b\u305f\u3081\u3001\u307e\u305f\u306f\u91cd\u91cf\u3092\u5206\u6563\u3059\u308b\u305f\u3081\u306b\u306e\u307f\u4f7f\u7528\u3055\u308c\u308b\u3082\u306e\u3092\u9664\u304d\u3001\u4ed8\u5c5e\u7269\u3084\u7a81\u8d77\u7269\u304c\u3042\u3063\u3066\u306f\u306a\u308a\u307e\u305b\u3093\u3002<\/p>\n\n\n\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"%E8%A6%8F%E5%89%87%E9%81%B5%E5%AE%88%E3%81%AE%E9%87%8D%E8%A6%81%E6%80%A7\"><\/span>\u898f\u5247\u9075\u5b88\u306e\u91cd\u8981\u6027<span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<p>ITF\u898f\u5247\u3092\u7406\u89e3\u3057\u9075\u5b88\u3059\u308b\u3053\u3068\u306f\u3001\u3044\u304f\u3064\u304b\u306e\u7406\u7531\u304b\u3089\u6975\u3081\u3066\u91cd\u8981\u3067\u3059\uff1a<\/p>\n\n\n\n<ol class=\"wp-block-list\">\n<li><strong>\u30c8\u30fc\u30ca\u30e1\u30f3\u30c8\u51fa\u5834\u8cc7\u683c<\/strong>: \u898f\u5247\u306b\u6e96\u62e0\u3057\u3066\u3044\u306a\u3044\u30e9\u30b1\u30c3\u30c8\u306f\u3001\u516c\u5f0f\u30c8\u30fc\u30ca\u30e1\u30f3\u30c8\u3067\u306e\u5931\u683c\u306b\u3064\u306a\u304c\u308b\u53ef\u80fd\u6027\u304c\u3042\u308a\u307e\u3059\u3002<\/li>\n\n\n\n<li><strong>\u30d5\u30a7\u30a2\u30d7\u30ec\u30fc<\/strong>: \u898f\u5247\u306f\u3001\u3059\u3079\u3066\u306e\u7af6\u6280\u8005\u306b\u3068\u3063\u3066\u516c\u5e73\u306a\u7af6\u6280\u6761\u4ef6\u3092\u4fdd\u8a3c\u3057\u307e\u3059\u3002<\/li>\n\n\n\n<li><strong>\u30d1\u30d5\u30a9\u30fc\u30de\u30f3\u30b9\u306e\u6700\u9069\u5316<\/strong>: \u898f\u5247\u306e\u7bc4\u56f2\u5185\u3067\u3001\u30d7\u30ec\u30fc\u30e4\u30fc\u3068\u30b9\u30c8\u30ea\u30f3\u30ac\u30fc\u306f\u5408\u6cd5\u7684\u306b\u30e9\u30b1\u30c3\u30c8\u306e\u30d1\u30d5\u30a9\u30fc\u30de\u30f3\u30b9\u3092\u6700\u9069\u5316\u3067\u304d\u307e\u3059\u3002<\/li>\n\n\n\n<li><strong>\u30a4\u30ce\u30d9\u30fc\u30b7\u30e7\u30f3\u306e\u6307\u91dd<\/strong>: \u30e1\u30fc\u30ab\u30fc\u306f\u3053\u308c\u3089\u306e\u898f\u5247\u3092\u65b0\u3057\u3044\u30e9\u30b1\u30c3\u30c8\u6280\u8853\u3092\u958b\u767a\u3059\u308b\u305f\u3081\u306e\u6307\u91dd\u3068\u3057\u3066\u4f7f\u7528\u3057\u307e\u3059\u3002<\/li>\n<\/ol>\n\n\n\n<!DOCTYPE html>\n\n<html lang=\"en\">\n<head>\n<meta charset=\"UTF-8\">\n<meta name=\"viewport\" content=\"width=device-width, initial-scale=1.0\">\n<title>ITF\u898f\u5247\u30af\u30a4\u30ba<\/title>\n<style>\n\/* Main quiz container *\/\n#quiz-container {\nmax-width: 600px;\nmargin: 40px auto;\npadding: 30px;\nborder-radius: 12px;\nbackground-color: #f7f9fc;\nborder: 1px solid #dcdde1;\nbox-shadow: 0 5px 15px rgba(0, 0, 0, 0.1);\nfont-family: 'Arial', sans-serif;\n}\n\n\/* Quiz header *\/\nh3 {\n  color: #2c3e50;\n  text-align: center;\n  font-size: 24px;\n  margin-bottom: 20px;\n  letter-spacing: 1px;\n}\n\n\/* Question styling *\/\n#question-text {\n  font-weight: bold;\n  color: #34495e;\n  font-size: 18px;\n  text-align: center;\n  margin-bottom: 20px;\n}\n\n\/* Answer buttons *\/\n.btn-answer {\n  padding: 12px;\n  background-color: #ecf0f1;\n  color: #2c3e50;\n  border: 1px solid #bdc3c7;\n  border-radius: 6px;\n  cursor: pointer;\n  transition: background-color 0.3s ease, color 0.3s ease;\n  font-size: 16px;\n  display: block;\n  text-align: center;\n  margin-bottom: 10px;\n}\n\n.btn-answer:hover {\n  background-color: #d5dbdb;\n}\n\n\/* Controls (score and next button) *\/\n#controls {\n  margin-top: 30px;\n  text-align: center;\n}\n\n#score-display {\n  font-weight: bold;\n  margin-bottom: 20px;\n  color: #2c3e50;\n  font-size: 18px;\n}\n\n#next-button {\n  padding: 12px 20px;\n  background-color: #3498db;\n  color: white;\n  border: none;\n  border-radius: 6px;\n  cursor: pointer;\n  font-size: 18px;\n  transition: background-color 0.3s ease;\n}\n\n#next-button:hover {\n  background-color: #2980b9;\n}\n\n\/* Responsive design for mobile *\/\n@media screen and (max-width: 600px) {\n  #quiz-container {\n    padding: 20px;\n  }\n\n  h3 {\n    font-size: 20px;\n  }\n\n  .btn-answer, #next-button {\n    font-size: 14px;\n    padding: 10px;\n  }\n}\n\n<\/style>\n<\/head>\n<body>\n\n<div id=\"quiz-container\">\n<h3><span class=\"ez-toc-section\" id=\"ITF%E8%A6%8F%E5%89%87%E3%82%AF%E3%82%A4%E3%82%BA\"><\/span>ITF\u898f\u5247\u30af\u30a4\u30ba<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<div id=\"question-container\">\n<p id=\"question-text\"><\/p>\n<\/div>\n<div id=\"answer-buttons\"><\/div>\n<div id=\"controls\">\n<p id=\"score-display\"><\/p>\n<button id=\"next-button\" style=\"display: none;\">\u6b21\u3078<\/button>\n<\/div>\n<\/div>\n\n<script>\ndocument.addEventListener('DOMContentLoaded', function() {\nconst quizData = [\n{\nquestion: 'ITF\u898f\u5247\u306b\u3088\u308b\u3068\u3001\u30c6\u30cb\u30b9\u30e9\u30b1\u30c3\u30c8\u306e\u8a31\u5bb9\u6700\u5927\u5168\u9577\u306f\uff1f',\nanswers: [\n{ text: '27\u30a4\u30f3\u30c1', correct: false },\n{ text: '28\u30a4\u30f3\u30c1', correct: false },\n{ text: '29\u30a4\u30f3\u30c1', correct: true },\n{ text: '30\u30a4\u30f3\u30c1', correct: false }\n]\n},\n{\nquestion: 'ITF\u898f\u5247\u306b\u3088\u308b\u3068\u3001\u30c6\u30cb\u30b9\u30e9\u30b1\u30c3\u30c8\u3067\u8a31\u53ef\u3055\u308c\u3066\u3044\u306a\u3044\u3082\u306e\u306f\u6b21\u306e\u3046\u3061\u3069\u308c\uff1f',\nanswers: [\n{ text: '\u632f\u52d5\u6b62\u3081', correct: false },\n{ text: '\u91cd\u91cf\u914d\u5206\u8abf\u6574', correct: false },\n{ text: '\u96fb\u5b50\u90e8\u54c1', correct: true },\n{ text: '\u30b9\u30c8\u30ea\u30f3\u30b0\u30bb\u30a4\u30d0\u30fc', correct: false }\n]\n},\n{\nquestion: '\u30c6\u30cb\u30b9\u30e9\u30b1\u30c3\u30c8\u306e\u6253\u7403\u9762\u306e\u6700\u5927\u8a31\u5bb9\u5e45\u306f\uff1f',\nanswers: [\n{ text: '10.5\u30a4\u30f3\u30c1', correct: false },\n{ text: '11\u30a4\u30f3\u30c1', correct: false },\n{ text: '11.5\u30a4\u30f3\u30c1', correct: true },\n{ text: '12\u30a4\u30f3\u30c1', correct: false }\n]\n}\n];\n\nlet currentQuestionIndex = 0;\nlet score = 0;\n\nconst questionElement = document.getElementById('question-text');\nconst answerButtonsElement = document.getElementById('answer-buttons');\nconst nextButton = document.getElementById('next-button');\nconst scoreDisplay = document.getElementById('score-display');\n\nfunction startQuiz() {\ncurrentQuestionIndex = 0;\nscore = 0;\nnextButton.innerHTML = '\u6b21\u3078';\nshowQuestion();\n}\n\nfunction showQuestion() {\nresetState();\nlet currentQuestion = quizData[currentQuestionIndex];\nquestionElement.innerHTML = currentQuestion.question;\n\ncurrentQuestion.answers.forEach(answer => {\nconst button = document.createElement('button');\nbutton.innerText = answer.text;\nbutton.classList.add('btn-answer');\nbutton.addEventListener('click', () => selectAnswer(button, answer.correct));\nanswerButtonsElement.appendChild(button);\n});\n}\n\nfunction resetState() {\nnextButton.style.display = 'none';\nscoreDisplay.innerHTML = '';\nwhile (answerButtonsElement.firstChild) {\nanswerButtonsElement.removeChild(answerButtonsElement.firstChild);\n}\n}\n\nfunction selectAnswer(button, correct) {\nif (correct) {\nscore++;\n}\n\nArray.from(answerButtonsElement.children).forEach(btn => {\nsetStatusClass(btn, btn === button && correct);\n});\n\nnextButton.style.display = 'inline-block';\n\nif (currentQuestionIndex === quizData.length - 1) {\nnextButton.innerHTML = '\u7d42\u4e86';\n}\n}\n\nfunction setStatusClass(button, correct) {\nif (correct) {\nbutton.style.backgroundColor = '#27ae60'; \/\/ Green for correct\nbutton.style.color = 'white';\n} else {\nbutton.style.backgroundColor = '#e74c3c'; \/\/ Red for incorrect\nbutton.style.color = 'white';\n}\n}\n\nnextButton.addEventListener('click', () => {\nif (currentQuestionIndex < quizData.length - 1) {\ncurrentQuestionIndex++;\nshowQuestion();\n} else {\nshowScore();\n}\n});\n\nfunction showScore() {\nresetState();\nquestionElement.innerHTML = `\u30b9\u30b3\u30a2\u306f${quizData.length}\u554f\u4e2d${score}\u554f\u6b63\u89e3\u3067\u3057\u305f\uff01`;\nnextButton.innerHTML = '\u518d\u958b';\nnextButton.style.display = 'inline-block';\nnextButton.addEventListener('click', startQuiz);\n}\n\nstartQuiz();\n});\n<\/script>\n\n<\/body>\n<\/html>\n\n\n\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"%E3%82%B9%E3%83%88%E3%83%AA%E3%83%B3%E3%82%AE%E3%83%B3%E3%82%B0%E3%81%B8%E3%81%AE%E5%BD%B1%E9%9F%BF\"><\/span>\u30b9\u30c8\u30ea\u30f3\u30ae\u30f3\u30b0\u3078\u306e\u5f71\u97ff<span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<figure class=\"gb-block-image gb-block-image-7f7d6aac\"><img loading=\"lazy\" decoding=\"async\" width=\"577\" height=\"862\" class=\"gb-image gb-image-7f7d6aac\" src=\"https:\/\/beststringer.com\/wp-content\/uploads\/2024\/09\/International-Tennis-Federation-ITF-Regulations-by-Best-Stringer-Worldwide-Certification.jpg\" alt=\"\u30d9\u30b9\u30c8\u30fb\u30b9\u30c8\u30ea\u30f3\u30ac\u30fc\u30fb\u30ef\u30fc\u30eb\u30c9\u30ef\u30a4\u30c9\u8a8d\u5b9a\u306b\u3088\u308b\u56fd\u969b\u30c6\u30cb\u30b9\u9023\u76df\uff08ITF\uff09\u898f\u5247\" title=\"\u30d9\u30b9\u30c8\u30fb\u30b9\u30c8\u30ea\u30f3\u30ac\u30fc\u30fb\u30ef\u30fc\u30eb\u30c9\u30ef\u30a4\u30c9\u8a8d\u5b9a\u306b\u3088\u308b\u56fd\u969b\u30c6\u30cb\u30b9\u9023\u76df\uff08ITF\uff09\u898f\u5247\" srcset=\"https:\/\/beststringer.com\/wp-content\/uploads\/2024\/09\/International-Tennis-Federation-ITF-Regulations-by-Best-Stringer-Worldwide-Certification.jpg 577w, https:\/\/beststringer.com\/wp-content\/uploads\/2024\/09\/International-Tennis-Federation-ITF-Regulations-by-Best-Stringer-Worldwide-Certification-201x300.jpg 201w\" sizes=\"auto, (max-width: 577px) 100vw, 577px\" \/><\/figure>\n\n\n\n<p>\u30d7\u30ed\u306e\u30b9\u30c8\u30ea\u30f3\u30ac\u30fc\u306b\u3068\u3063\u3066\u3001ITF\u898f\u5247\u3092\u7406\u89e3\u3059\u308b\u3053\u3068\u306f\u4e0d\u53ef\u6b20\u3067\u3059\uff1a<\/p>\n\n\n\n<ol class=\"wp-block-list\">\n<li><strong>\u30b9\u30c8\u30ea\u30f3\u30b0\u30d1\u30bf\u30fc\u30f3<\/strong>: ITF\u306f\u4e2d\u592e\u90e8\u3067\u308f\u305a\u304b\u306b\u5bc6\u306a\u30b9\u30c8\u30ea\u30f3\u30ae\u30f3\u30b0\u3092\u8a31\u53ef\u3057\u3066\u3044\u307e\u3059\u304c\u3001\u30b9\u30c8\u30ea\u30f3\u30ac\u30fc\u306f\u5168\u4f53\u306e\u30d1\u30bf\u30fc\u30f3\u304c\u4e00\u822c\u7684\u306b\u5747\u4e00\u3067\u3042\u308b\u3053\u3068\u3092\u78ba\u8a8d\u3059\u308b\u5fc5\u8981\u304c\u3042\u308a\u307e\u3059\u3002<\/li>\n\n\n\n<li><strong>\u632f\u52d5\u6b62\u3081<\/strong>: \u3053\u308c\u3089\u306f\u8a31\u53ef\u3055\u308c\u3066\u3044\u307e\u3059\u304c\u3001\u4ea4\u5dee\u3059\u308b\u30b9\u30c8\u30ea\u30f3\u30b0\u306e\u30d1\u30bf\u30fc\u30f3\u306e\u5916\u5074\u306b\u914d\u7f6e\u3059\u308b\u5fc5\u8981\u304c\u3042\u308a\u307e\u3059\u3002<\/li>\n\n\n\n<li><strong>\u30b9\u30c8\u30ea\u30f3\u30b0\u30bb\u30a4\u30d0\u30fc<\/strong>: \u30b9\u30c8\u30ea\u30f3\u30b0\u30bb\u30a4\u30d0\u30fc\u306e\u4f7f\u7528\u306f\u3001\u30e9\u30b1\u30c3\u30c8\u306e\u57fa\u672c\u7684\u306a\u7279\u6027\u3092\u5909\u66f4\u3057\u305f\u308a\u3001\u610f\u56f3\u3055\u308c\u305f\u30b9\u30c8\u30ea\u30f3\u30ae\u30f3\u30b0\u306e\u30d1\u30bf\u30fc\u30f3\u3092\u5909\u66f4\u3057\u305f\u308a\u3057\u3066\u306f\u306a\u308a\u307e\u305b\u3093\u3002<\/li>\n<\/ol>\n\n\n\n<div id=\"string-life-calculator\" style=\"max-width: 600px; margin: 20px auto; padding: 20px; border: 1px solid #ddd; border-radius: 8px; background-color: #f9f9f9;\">\n<h3 style=\"color: #333; text-align: center;\"><span class=\"ez-toc-section\" id=\"%E3%82%B9%E3%83%88%E3%83%AA%E3%83%B3%E3%82%B0%E5%AF%BF%E5%91%BD%E8%A8%88%E7%AE%97%E6%A9%9F\"><\/span>\u30b9\u30c8\u30ea\u30f3\u30b0\u5bff\u547d\u8a08\u7b97\u6a5f<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<div style=\"margin-bottom: 15px;\">\n<label for=\"string-type\" style=\"display: block; margin-bottom: 5px;\">\u30b9\u30c8\u30ea\u30f3\u30b0\u30bf\u30a4\u30d7:<\/label>\n<select id=\"string-type\" style=\"width: 100%; padding: 5px;\">\n<option value=\"polyester\">\u30dd\u30ea\u30a8\u30b9\u30c6\u30eb<\/option>\n<option value=\"nylon\">\u30ca\u30a4\u30ed\u30f3\uff08\u30b7\u30f3\u30bb\u30c6\u30a3\u30c3\u30af\u30ac\u30c3\u30c8\uff09<\/option>\n<option value=\"multifilament\">\u30de\u30eb\u30c1\u30d5\u30a3\u30e9\u30e1\u30f3\u30c8<\/option>\n<option value=\"natural-gut\">\u30ca\u30c1\u30e5\u30e9\u30eb\u30ac\u30c3\u30c8<\/option>\n<\/select>\n<\/div>\n<div style=\"margin-bottom: 15px;\">\n<label for=\"play-frequency\" style=\"display: block; margin-bottom: 5px;\">\u30d7\u30ec\u30fc\u983b\u5ea6\u306f\uff1f (\u9031\u3042\u305f\u308a\u306e\u6642\u9593)<\/label>\n<input type=\"number\" id=\"play-frequency\" min=\"1\" max=\"40\" value=\"5\" style=\"width: 100%; padding: 5px;\">\n<\/div>\n<div style=\"margin-bottom: 15px;\">\n<label for=\"playing-style\" style=\"display: block; margin-bottom: 5px;\">\u30d7\u30ec\u30fc\u30b9\u30bf\u30a4\u30eb:<\/label>\n<select id=\"playing-style\" style=\"width: 100%; padding: 5px;\">\n<option value=\"baseline\">\u30d9\u30fc\u30b9\u30e9\u30a4\u30f3\u30d7\u30ec\u30fc\u30e4\u30fc<\/option>\n<option value=\"serve-volley\">\u30b5\u30fc\u30d6\uff06\u30dc\u30ec\u30fc<\/option>\n<option value=\"all-court\">\u30aa\u30fc\u30eb\u30b3\u30fc\u30c8\u30d7\u30ec\u30fc\u30e4\u30fc<\/option>\n<\/select>\n<\/div>\n<button id=\"calculate-button\" style=\"width: 100%; padding: 10px; background-color: #4CAF50; color: white; border: none; border-radius: 5px; cursor: pointer;\">\u8a08\u7b97\u3059\u308b<\/button>\n<div id=\"result\" style=\"margin-top: 20px; font-weight: bold; text-align: center;\"><\/div>\n<\/div>\n\n<script>\ndocument.addEventListener('DOMContentLoaded', function() {\nconst stringType = document.getElementById('string-type');\nconst playFrequency = document.getElementById('play-frequency');\nconst playingStyle = document.getElementById('playing-style');\nconst calculateButton = document.getElementById('calculate-button');\nconst result = document.getElementById('result');\n\ncalculateButton.addEventListener('click', function() {\nconst type = stringType.value;\nconst frequency = parseInt(playFrequency.value);\nconst style = playingStyle.value;\n\nif (isNaN(frequency) || frequency < 1 || frequency > 40) {\nresult.textContent = \"1\u304b\u308940\u306e\u9593\u3067\u6709\u52b9\u306a\u6642\u9593\u6570\u3092\u5165\u529b\u3057\u3066\u304f\u3060\u3055\u3044\u3002\";\nresult.style.color = \"red\";\nreturn;\n}\n\nlet baseDuration;\nswitch(type) {\ncase 'polyester':\nbaseDuration = 6;\nbreak;\ncase 'nylon':\nbaseDuration = 8;\nbreak;\ncase 'multifilament':\nbaseDuration = 7;\nbreak;\ncase 'natural-gut':\nbaseDuration = 5;\nbreak;\ndefault:\nbaseDuration = 7;\n}\n\nswitch(style) {\ncase 'baseline':\nbaseDuration *= 0.9;\nbreak;\ncase 'serve-volley':\nbaseDuration *= 1.1;\nbreak;\ncase 'all-court':\n\/\/ No adjustment for all-court\nbreak;\n}\n\nconst estimatedDuration = Math.round(baseDuration * (20 \/ frequency));\n\nresult.textContent = `\u63a8\u5b9a\u30b9\u30c8\u30ea\u30f3\u30b0\u5bff\u547d\uff1a${estimatedDuration}\u9031\u9593`;\nresult.style.color = \"green\";\n});\n});\n<\/script>\n\n\n\n<p>ITF\u898f\u5247\u306f\u3001\u4e16\u754c\u4e2d\u306e\u30c6\u30cb\u30b9\u306e\u54c1\u4f4d\u3068\u4e00\u8cab\u6027\u3092\u7dad\u6301\u3059\u308b\u4e0a\u3067\u4e0d\u53ef\u6b20\u306a\u5f79\u5272\u3092\u679c\u305f\u3057\u3066\u3044\u307e\u3059\u3002\u30b9\u30c8\u30ea\u30f3\u30ac\u30fc\u306b\u3068\u3063\u3066\u3082\u30d7\u30ec\u30fc\u30e4\u30fc\u306b\u3068\u3063\u3066\u3082\u3001\u3053\u308c\u3089\u306e\u898f\u5247\u3092\u7406\u89e3\u3059\u308b\u3053\u3068\u306f\u3001\u30b9\u30dd\u30fc\u30c4\u306e\u5883\u754c\u5185\u3067\u30d1\u30d5\u30a9\u30fc\u30de\u30f3\u30b9\u3092\u6700\u9069\u5316\u3059\u308b\u305f\u3081\u306b\u6975\u3081\u3066\u91cd\u8981\u3067\u3059\u3002<\/p>\n\n\n\n<p>\u30d9\u30b9\u30c8\u30fb\u30b9\u30c8\u30ea\u30f3\u30ac\u30fc\u30fb\u30ef\u30fc\u30eb\u30c9\u30ef\u30a4\u30c9\uff08BSW\uff09\u3067\u306f\u3001\u30b9\u30c8\u30ea\u30f3\u30ac\u30fc\u3068\u30d7\u30ec\u30fc\u30e4\u30fc\u304c\u77e5\u8b58\u3068\u30b9\u30ad\u30eb\u3092\u5411\u4e0a\u3055\u305b\u308b\u304a\u624b\u4f1d\u3044\u3092\u3059\u308b\u3053\u3068\u306b\u5c3d\u529b\u3057\u3066\u3044\u307e\u3059\u3002\u30e9\u30b1\u30c3\u30c8\u306e\u30bb\u30c3\u30c6\u30a3\u30f3\u30b0\u3092\u6700\u9069\u5316\u3057\u305f\u3044\u5834\u5408\u3067\u3082\u3001\u30af\u30e9\u30a4\u30a2\u30f3\u30c8\u306b\u3088\u308a\u826f\u3044\u30b5\u30fc\u30d3\u30b9\u3092\u63d0\u4f9b\u3057\u305f\u3044\u5834\u5408\u3067\u3082\u3001ITF\u898f\u5247\u3092\u7406\u89e3\u3059\u308b\u3053\u3068\u306f\u8cb4\u91cd\u306a\u8ca1\u7523\u3067\u3059\u3002<\/p>\n\n\n\n<p>\u30c6\u30cb\u30b9\u30e9\u30b1\u30c3\u30c8\u306e\u30b9\u30c8\u30ea\u30f3\u30ae\u30f3\u30b0\u306b\u95a2\u3059\u308b\u77e5\u8b58\u3068\u30b9\u30ad\u30eb\u3092\u6df1\u3081\u305f\u3044\u65b9\u306f\u3001\u7dcf\u5408\u7684\u306a\u30c6\u30cb\u30b9\u30e9\u30b1\u30c3\u30c8\u30b9\u30c8\u30ea\u30f3\u30ae\u30f3\u30b0\u30b3\u30fc\u30b9\u3078\u306e\u767b\u9332\u3092\u3054\u691c\u8a0e\u304f\u3060\u3055\u3044\u3002BSW\u306f\u3001ITF\u898f\u5247\u306e\u9075\u5b88\u3092\u542b\u3080\u3001\u30e9\u30b1\u30c3\u30c8\u306e\u30ab\u30b9\u30bf\u30de\u30a4\u30ba\u306e\u3042\u3089\u3086\u308b\u5074\u9762\u3092\u7db2\u7f85\u3057\u305f\u30d7\u30ed\u306e\u30c6\u30cb\u30b9\u30b9\u30c8\u30ea\u30f3\u30ae\u30f3\u30b0\u8a8d\u5b9a\u30d7\u30ed\u30b0\u30e9\u30e0\u3092\u63d0\u4f9b\u3057\u3066\u3044\u307e\u3059\u3002<\/p>\n\n\n\n<p>\u3053\u308c\u3089\u306e\u898f\u5247\u306f\u5236\u9650\u7684\u306b\u898b\u3048\u308b\u304b\u3082\u3057\u308c\u307e\u305b\u3093\u304c\u3001\u30d7\u30ec\u30fc\u30e4\u30fc\u3001\u30b9\u30c8\u30ea\u30f3\u30ac\u30fc\u3001\u30e1\u30fc\u30ab\u30fc\u304c\u9769\u65b0\u3057\u3001\u5353\u8d8a\u3059\u308b\u305f\u3081\u306e\u67a0\u7d44\u307f\u3092\u4f5c\u308a\u51fa\u3057\u3066\u3044\u308b\u3053\u3068\u3092\u5fd8\u308c\u306a\u3044\u3067\u304f\u3060\u3055\u3044\u3002\u3053\u308c\u3089\u306e\u898f\u5247\u306e\u8907\u96d1\u3055\u3092\u7fd2\u5f97\u3059\u308b\u3053\u3068\u3067\u3001\u30b2\u30fc\u30e0\u306e\u7cbe\u795e\u3092\u5b88\u308a\u306a\u304c\u3089\u30d1\u30d5\u30a9\u30fc\u30de\u30f3\u30b9\u306e\u9650\u754c\u3092\u62bc\u3057\u5e83\u3052\u308b\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u3002<\/p>\n\n<\/div>\n\n<section class=\"gb-container gb-container-49b9586e\">\n<div class=\"gb-container gb-container-a2e9522c\">\n\n<figure class=\"gb-block-image gb-block-image-7dc6bb0e\"><img loading=\"lazy\" decoding=\"async\" width=\"1680\" height=\"906\" class=\"gb-image gb-image-7dc6bb0e\" src=\"https:\/\/beststringer.com\/wp-content\/uploads\/2024\/09\/International-Tennis-Federation-ITF-Regulations-Knowledge-Racquet-Stringing-by-Best-Stringer-Worldwide.jpg\" alt=\"\u30d9\u30b9\u30c8\u30fb\u30b9\u30c8\u30ea\u30f3\u30ac\u30fc\u30fb\u30ef\u30fc\u30eb\u30c9\u30ef\u30a4\u30c9\u306b\u3088\u308b\u56fd\u969b\u30c6\u30cb\u30b9\u9023\u76df\uff08ITF\uff09\u898f\u5247\u77e5\u8b58\u30e9\u30b1\u30c3\u30c8\u30b9\u30c8\u30ea\u30f3\u30ae\u30f3\u30b0\" title=\"\u30d9\u30b9\u30c8\u30fb\u30b9\u30c8\u30ea\u30f3\u30ac\u30fc\u30fb\u30ef\u30fc\u30eb\u30c9\u30ef\u30a4\u30c9\u306b\u3088\u308b\u56fd\u969b\u30c6\u30cb\u30b9\u9023\u76df\uff08ITF\uff09\u898f\u5247\u77e5\u8b58\u30e9\u30b1\u30c3\u30c8\u30b9\u30c8\u30ea\u30f3\u30ae\u30f3\u30b0\" srcset=\"https:\/\/beststringer.com\/wp-content\/uploads\/2024\/09\/International-Tennis-Federation-ITF-Regulations-Knowledge-Racquet-Stringing-by-Best-Stringer-Worldwide.jpg 1680w, https:\/\/beststringer.com\/wp-content\/uploads\/2024\/09\/International-Tennis-Federation-ITF-Regulations-Knowledge-Racquet-Stringing-by-Best-Stringer-Worldwide-300x162.jpg 300w, https:\/\/beststringer.com\/wp-content\/uploads\/2024\/09\/International-Tennis-Federation-ITF-Regulations-Knowledge-Racquet-Stringing-by-Best-Stringer-Worldwide-1024x552.jpg 1024w, https:\/\/beststringer.com\/wp-content\/uploads\/2024\/09\/International-Tennis-Federation-ITF-Regulations-Knowledge-Racquet-Stringing-by-Best-Stringer-Worldwide-768x414.jpg 768w, https:\/\/beststringer.com\/wp-content\/uploads\/2024\/09\/International-Tennis-Federation-ITF-Regulations-Knowledge-Racquet-Stringing-by-Best-Stringer-Worldwide-1536x828.jpg 1536w\" sizes=\"auto, (max-width: 1680px) 100vw, 1680px\" \/><\/figure>\n\n<\/div>\n\n<div class=\"gb-container gb-container-0e11192a\">\n\n<h3 class=\"gb-headline gb-headline-5cf408ee gb-headline-text\"><span class=\"ez-toc-section\" id=\"%E3%83%99%E3%82%B9%E3%83%88%E3%83%BB%E3%82%B9%E3%83%88%E3%83%AA%E3%83%B3%E3%82%AC%E3%83%BC%E3%83%BB%E3%83%AF%E3%83%BC%E3%83%AB%E3%83%89%E3%83%AF%E3%82%A4%E3%83%89%E3%81%AB%E3%81%A4%E3%81%84%E3%81%A6\"><\/span>\u30d9\u30b9\u30c8\u30fb\u30b9\u30c8\u30ea\u30f3\u30ac\u30fc\u30fb<mark style=\"background-color:rgba(0, 0, 0, 0)\" class=\"has-inline-color has-global-color-9-color\">\u30ef\u30fc\u30eb\u30c9\u30ef\u30a4\u30c9<\/mark>\u306b\u3064\u3044\u3066<span class=\"ez-toc-section-end\"><\/span><\/h3>\n\n\n<div class=\"gb-container gb-container-daaa2e63\">\n<div class=\"gb-container gb-container-bda621fe\"><\/div>\n\n<div class=\"gb-container gb-container-4b0ac72b\"><\/div>\n<\/div>\n\n\n<p class=\"gb-headline gb-headline-edf98545 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