Andy Roddick and Lleyton Hewitt renew their rivalry tonight in Memphis.

Juan Martin Del Potro and Lleyton Hewitt clash in the San Jose quarterfinals.

Remarks on the first round of play in Australia.

Matches to look for Wednesday in Melbourne include (8) Andy Roddick vs. Russian Igor Kunitsyn, Fed nemesis Gilles Simon vs. (2) Roger Federer, Janko Tipsarevic vs. (9) Fernando Verdasco, (6) Tomas Berdych vs. Philipp Kohlschreiber, (16) Mardy Fish vs. Tommy Robredo, Davydenko-killer Florian Mayer vs. Kei Nishikori, (25) Al Montanes vs. the resurgent Xavier “X-Man” Malisse, and (29) Viktor Troicki vs. French dress-wearing Wimbledon iron man Nicolas Mahut.

Tennis will hold a special Rally for Relief charity event to benefit the Queensland flood victim on Sunday at the Australian Open.

Sean Randall previews the 2011 ATP season.

ATP World Tour Finals Preview Part I: A Brief History

Juan Martin Del Potro lost in his first match back on tour, but it wasn’t all bad for the Argentine.

Roger Federer let Switzerland slide into obscurity, and also perhaps Federer’s chance of winning the Davis Cup before his career ends, when Switzerland was swept 5-0 by Kazakhstan in the Davis Cup World Group Playoffs. Federer ducked out of the match, citing a need for rest after losing in the semifinals of the US Open.

CBS commentator Mary Carillo, still not a big fan of the WTA’s on-court coaching where the [almost always] male coach comes on court to save the woman player who can’t problem-solve for herself: “I can’t stand it. It makes us look weak compared to men’s tennis.”…