Watch: Djokovic Plays Catch With Zverev

Practice isn't confined to the court when Novak Djokovic and Alexander Zverev get together.The world No. 1 took time out from training on Arthur Ashe Stadium court to test Zverev's hands.More: Greatness Revisited, the Pete Sampras StoryWatch the 17-time Grand Slam champion launch a few balls up into the stands where Zverev was waiting.

The pair are both scheduled to play the Western & Southern Open, which starts on Thursday, and the US Open beginning on August 31st.The Western & Southern Open moved from Cincinnati to the Billie Jean King National Tennis Center in New York due to Coronavirus safety protocol.Photo credit: Adria Tour Facebook]]>

Richard Pagliaro is Tennis Now Managing Editor. He is a graduate of New York University and has covered pro tennis for more than 35 years. Richard was tennis columnist for Gannett Newspapers in NY, served as Managing Editor for TennisWeek.com and worked as a writer/editor for Tennis.com. He has been TennisNow.com managing editor since 2010.