A Monday men's final is becoming a U.S. Open tradition.

When No. 3 seed Venus Williams and No. 6 seed Francesca Schiavone meet up in the U.S. Open quarterfinals, someone will be losing their first set of the tournament.

Petra Kvitova knocked the No. 1 seed out in the third round at last year's U.S. Open, but upsetting No. 2 seed Kim Clijsters in 2010 will be more of a challenge.

Victoria Azarenka collapsed and fell to the ground while chasing down a ball on the baseline and had to be taken off the court in a wheelchair Wednesday, 31 minutes into her match on another steamy day at the U.S. Open.

Just a few months ago very few people would have brought up Mardy Fish, David Nalbandian or Marcos Baghdatis as being any real threat to surprise the field with deep U.S. Open runs. But their summer performances have made them U.S. Open sleepers to watch.

Tennis returns to New York with a number of interesting Day 1 storylines: America's sweetheart Melanie Oudin is back in action, Kim Clijsters is starting her title defense, Roger Federer is looking to make a run to reclaim his title and more. Take a look at five matches to watch.

John McEnroe knows his feelings about women's tennis won't make him any friends. He also doesn't care.

Caroline Wozniacki of Denmark was seeded No. 1 at a Grand Slam tournament for the first time Tuesday, getting the top spot at the U.S. Open because Serena Williams pulled out with a foot injury.

Unseeded Mardy Fish survived triple-digit temperatures and two tiebreakers to edge fourth-seeded Andy Murray and move into the Cincinnati Masters semifinals with a grueling 6-7 (7), 6-1, 7-6 (5) win Friday.

Top-ranked Rafael Nadal needed three sets in the afternoon heat - plus a little help at the end - to avoid a huge upset. And he wasn't alone in the midday distress.

Andy Murray beat Roger Federer 7-5, 7-5 to defend his Rogers Cup title on Sunday.

Roger Federer advanced to the Rogers Cup final Saturday with 6-1, 3-6, 7-5 victory over Novak Djokovic.