Stan Wawrinka training a 3-1 pattern. First 3 balls to the same target and then changing direction on the 4th ball. Goal is to make the opponent believe the ball is coming back a fourth time and let their guard down, therefor not properly recovering closer to the middle of the court. 📸 videoclip from @tennisprotv_ Be sure to follow @PlayYourCourt for daily tennis tips, inspiration and the latest tennis news!� Looking to get on the courts for practice, a competitive match or perhaps even a lesso