?Bradley Cooper windbreaker sneakers

As if he weren't attractive enough already, Bradley Cooper donned his tennis outfit, grabbed his racket and hit the courts Saturday ... and we think he's the hottest thing to hit the court since Andy Roddick!

The sexy single tennis stud played with a pal while his new girlfriend stayed home. Stay tuned for more about that ...

And later, Bradley took his mom out to dinner at G Jelina in Venice. The two dined on Italian haute cuisine and headed home early.