13 min know Backhand Side Serve + underspin Spin | Ti Long corrects German officials
11:27
Ti Long instructs and corrects Backhand Topspin Against Backspin for high-ranking German officials
15:33
know how to return the long and fast Forehand Pendulum serve with side + topspin in 15 minutes
7:33
How to do top quality BACKHAND serves (with Craig Bryant)
21:50
Ti Long guides and fixes Tomahawk Serve (arc, short & long, grip, finger, timing...) | Part 7
15:54
How to make the perfect heavy backspin serve in competition
18:59
MEMANTAPKAN SERVIS SIDE SPIN ISI PANJANG YANG BERKUALITAS
34:10
14-Year-Old Shocks the World: Defeats Wang Chuqin, World No.1
8:00