As part of their London Olympics preparation, Serena Williams and Andy Roddick are officially entered in the mixed doubles draw at the Australian Open. And the dynamic duo’s first opponent is the top seeded team of Mike Bryan and Kveta Pescke.

“We’re looking forward to it,” Serena said. “It’s going to be fun. Why not start out with the best?”

But the jabs and barbs have already started between the two outgoing American tennis stars. And the first topic is who gets to serve first.

“I’ll let him,” said Serena. “I was thinking I should, but I’ll let him feel like, you know, macho man and let him start first.”

The forehand side also sounds like it will go to Roddick but it’s still up for debate.

“I always play the forehand side,” she said. “He didn’t care what side he plays, so it’s good.

Today, Serena struggled at the end but still easily beat Barbora Zahlavova Strycova 60, 64 for her 500th career match win.

“It’s great<‘ Serena said. “I haven’t even thought about it. It’s like the ultimate. It’s really, really cool. The first thing I asked, of course, Is there anyone that achieved a thousand? I guess not. I never will get there either. But it’s really cool. 500 is a lot of matches to play, let alone to win, so it’s pretty cool.”

Serena will now play the winner of the Cibulkova-Arn match which is just starting.

Filed under: Australian Open, Olympics
Tags: Andy Roddick, Serena Williams