The Shot-Put Serve (Don't Pronate)
21:01
Pronation Vs The Shot-Put Serve
39:53
공부도 잘하고 탁구도 잘치는 보스턴여대생의 US오픈 도전기 | 2024 US오픈 여단 16강
6:27
DEBUNKING The Forehand Wrist MYTH With Proof
21:12
This kick serve drill can add 400-500 RPMs immediately
18:21
Effortless Serve Power By Fixing Your Elbow Position
8:07
The 2 Tips That Took My Serve From 90mph to 120mph
12:37
Tennis Strokes Based On Feel Instead Of Exact Technique
7:51