Roger Federer Hit 3 New Shot "SABR" in One Game in US Open 2015 Vs Leonardo Mayer - YouTube

https://www.youtube.com/watch?v=Nmwo1Q-gvhI

Federer fired up his new shot SABR (Sneaky Attack By Roger) 3 times in US open 2015 first round against Leonardo Mayer and won the game. Roger Federer Introd...