Justin Bieber may not have Federer's backhand, Nadal's killer serve or Murray's slice, but the Biebs looks darn good on the tennis court, nonetheless!

Wearing high-tops and 'baller shorts, the pop star hit a few balls with his bodyguard on an LA-area court, on Monday and X17online has the EXCLUSIVE pix! Check out our massive gallery of the cutest tennis player we know, below ...