Federer challenges Klay Thompson to ping pong match

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Roger Federer and Klay Thompson could be battling it out on a ping pong table in the near future.

On Thursday, Golden State Warriors head coach Steve Kerr relayed a conversation the pair had while Federer was visiting the team in China last week:

Federer, who's currently in Shanghai for the ATP Masters series, decided to take things further, laying down a challenge to Thompson on Twitter.

This needs to happen.