Day 4 of the U.S. Open was overshadowed by the retirement announcement of Andy Roddick.
The former World. No. 1 and winner of the 2003 U.S. Open announced at a press conference on Thursday that this year's major at Flushing Meadows will be last event of his storied career.
Just like that, every match from here on out could be Roddick's last. The entire landscape of this tournament has change with this unexpected announcement.
Nonetheless, the show must go on, and as it turns out, there was still some tennis that was played on Thursday in New York. Let's take a look at the most notable scores.
Note: For a complete look at all scores from Thursday and an updated look at the men's and women's draws, check out usopen.org.
Top Seeds Advance
Federer and Williams both rolled to straight set victories. Federer was never broken against German Bjorn Phau while Williams was broken once against Maria Jose Martinez, but fired back with four breaks of her own.
World No. 2 Radwanska, however, started off in quite a different direction. She was broken twice by Carla Suarez Navarro as the Spaniard jumped out to a one-set lead.
Radwanska responded in an impressive fashion, though, as she won the second set, 6-3, and threw a bagel on Navarro to close out the match.
Unless You Count No. 5 as a Top Seed
Sorry, Jo-Wilfried Tsonga, but we're not in Europe anymore.
After rolling to a quarterfinal appearance at the French and a semifinal at Wimbledon, the Frenchman continued his disappointing hardcourt season on Thursday as he fell 4-6, 6-1, 1-6, 3-6 to Martin Klizan.
Tsonga looked completely unready against the world. No. 52 as he was broken seven times and won just 38 percent of his second serves.
Ouch. That's not how you win a match, no matter who you're playing against.
Notable Americans Survive
One of the biggest underlying storylines at the U.S. Open is always the success of the Americans, as the New York tourney gives plenty of Yanks their best chance at providing some upsets and making a deep run.
Plenty of 2012 hopefuls stayed alive on Thursday.
Mardy Fish tried his best to depart from the second round, as he fell down two sets to zip against Russian Nikolay Davydenko. It's a good thing the men play five sets, though, as he eventually woke up and strolled through the final three sets, 6-2, 6-1, 6-2 to save his day and tournament.
Sam Querrey and Jack Sock didn't have nearly as much trouble, as they both advanced to the third round with straight-set victories. So did James Blake, who pulled a convincing three-set upset over 24-seed Marcel Granollers.
On the women's side, Sloane Stephens, arguably women's tennis' next big star, dropped her first set against Tatjana Malek but stormed back for the victory.
For the day, the Americans (as of writing this, Venus Williams hasn't completed her match with Angelique Kerber) went 6-1 in their singles matches, with only Tim Smyczek dropping his match (sorry, Tim. At least you have a cool name!).
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