网球场上未言明的规则和礼仪

[视频作者] WalaPlaysTennis

[视频时长] 5:20

[视频类型] 运动综合

Don't be "that" guy... The unsaid rules and ettiquetes on a tennis court. Any other things that just annoy or piss you off? Leave'em in the comments below!! 再来额外一个：虽然在上海很少有红土场，如果有机会打的朋友们，请最后留点时间把场地清理和打扫下!