Roger Federer hit a lot of amazing shots on Monday against Filip Krajinovic, but his most amazing shot was one that didn't count. Wow. He put some serious work on that ball!
The @rogerfederer backhand slice: confusing ball kids for years 😂#BNPPO18 pic.twitter.com/EJZyKNlrEE — Tennis TV (@TennisTV) March 12, 2018
The @rogerfederer backhand slice: confusing ball kids for years 😂#BNPPO18 pic.twitter.com/EJZyKNlrEE
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