Argentina's Juan Monaco was stunned by unseeded Guillermo Garcia-Lopez in a grueling five-set battle

John Isner, the top-seeded car rental italy convertible American and No. 9 overall, will begin his opening-round after Azarenka. That match is scheduled to start no earlier than 1 pm ET. Isner will be taking on Belgian car rental italy convertible Xavier Malisse.
No. 23 and fan-favorite Kim Clijsters will make it three Belgians in a row on the main court when she meets Laura Robson of Great Britain for her second-round match. They will face-off following the conclusion of Isner's match.
Both three-seeds Maria Sharapova and Andy Murray highlight the evening session at Arthur Ashe Stadium. Both will be competing in their second-round matches. Sharapova is up first at 7 p.m. ET against Spaniard Lourdes Dominguez Lino. Murray follows as he faces Ivan Dodig of Croatia.
The night session of the 2012 U.S. Open saw a number of upsets on Tuesday, and it was capped off when women's No. 21 Christina McHale was upended by unseeded Dutch player Kiki Bertens in a hard-fought three set battle, 6-4, 4-6, 6-3.
McHale's exit wasn't car rental italy convertible the only surprising result car rental italy convertible on the day. Men's No. 10 Juan Monaco went down to Guillermo Garcia-Lopez in a lengthy five-set match that saw the underdog Garcia-Lopez come back from two sets down to win.
Andy Roddick opened the day defeating fellow American Rhyne Williams. Venus Williams followed with a quick victory over Bethanie Mattek-Sands. As darkness hit and the lights came on, Novak Djokovic and Serena Williams dispatched their opponents in a short final session at Arthur Ashe Stadium. The two stars combined to lose just four games in five total sets.
The three-time U.S. Open Champion Williams looked comfortable early and often as she has she took both sets, 6-1, 6-1. She took advantage when she had a chance to break Vandeweghe's serve, car rental italy convertible converting six of seven break points.
The No. 8-seed on the women's car rental italy convertible side, Caroline Wozniacki has been upset by unseeded Irina-Camelia Begu in her opening-round match of the 2012 U.S. Open. Wozniacki put up very little fight, as Begu won in straight sets, 6-2, 6-2.
Wozniacki car rental italy convertible has been troubled by a knee injury, and she was tended to by a trainer in the middle of the second set. She struggled mightily on the night, amassing only four winners compared to 22 unforced errors.
Begu was not broken in the match, as Wozniacki was 0-4 on break points. Begu won 75 percent of the points on her first serve and 63 percent on her second. Wozniacki was only able to take half of the points on her first serve and 43 percent on her second.
Second-seeded Novak Djokovic had little trouble advancing car rental italy convertible through his first-round match agains Paolo Lorenzi of Italy. Djokovic was dominant, winning in straight sets and losing just two games overall.
Lorenzi broke Djovovic in the first game, but that was his only chance at a break point for the rest of the match. Djokovic won nine break points in cruising to a 6-1, 6-0, 6-1 victory. He also served seven aces without double-faulting. Lorenzi was unable to get any easy points, as he did not win a single ace and posted seven double-faults.
Djokovic is looking for his second Grand Slam title of the year and back-to-back U.S. Opens. After the match, car rental italy convertible he said in front of a raucous crowd that Arthur Ashe stadium is the "most entertaining place in the sport." Predictably, that drew a loud round of cheers.
Argentina's Juan Monaco was stunned by unseeded Guillermo Garcia-Lopez in a grueling five-set battle at Flushing Meadows on Tuesday afternoon. Garcia-Lopez eked out the victory, 3-6, 1-6, 6-4, 7-6 (8-6), 7-6 (7-3).
Monaco, ranked 11th in the ATP rankings coming into U.S. Open play, came out of the gates hot, winning the first two sets. But he dropped the third set to Spain's Garcia-Lopez, opening the door to the upset bid. The fourth set went to a tiebreaker, and the Spaniard prevailed again, winning after several unforced errors by Monaco.
The two men went to a tiebreak car rental italy convertible again in the fifth set. Garcia-Lopez car rental italy convertible jumped ahead by two mini-breaks on Monaco's first two serves. car rental italy convertible He was in control after that, taking the tiebreak and the match after a long final rally.
On the women's side, unseeded American Sloane Stephens also scored an upset, car rental italy convertible as she took down 22nd-seed Francesca Schiavone car rental italy convertible of Italy. The 19-year-old Stephens won in straight sets, 6-3, 6-4. Her best finish previously in the U.S. Open is the third round in 2011.
Despite dropping the opening set of the match, American Sam Querrey fought back to post a four-set victory (6-7 (4-7), 6-4, 6-4, 7-5) over Taiwan's Yen-Hsun Lu on Tuesday in the first round at the 2012 U.S. Open.
The 24-year-old Querrey recorded an impressive 21 aces in the win, and was especially sharp with his serve down the stretch. After succumbing to an extremely high six double-faults in the first set, Querrey quickly corrected his issues with a 31-minute victory in Set 2, where he hit on 63% of his first serves. From there, the American feasted on Lu's prodding second serve, as he was able to break Lu in sets three and four to come away victorious.
It didn't start off as planned, as Williams struggled to begin her match against Mattek-Sands. But she rebounded in what CBS Sports' Brian Stubits called "vintage Venus" fashion car rental italy convertible , taking 15 of the next 16 points to put it away.
The most impressive part of it all? It looked like vintage Venus. She was hammering serves, crushing forehand volleys, picking apart the corners. She made it tough to remember that her condition car rental italy convertible had seen her fall all the way to the 46th ranking in the world, an unseeded position at the U.S. Open.
Williams' performance at Arthur Ashe Stadium was promising car rental italy convertible considering her recent health car rental italy convertible problems. She was diagnosed with Sjogren's syndrome, an autoimmune disease, a year ago and had to withdraw from the 2011 U.S. Open because of it.
Andy Roddick cruised through his first day at Arthur Ashe Stadium in Flushing, New York at the 2012 U.S. Open, defeating fellow American Rhyne Williams in three sets, 6-3, 6-4, 6-4. Roddick broke Williams' car rental italy convertible serve early in both the second and third sets, and was never broken into all day.
Just as SI predicted earlier in the day , Roddick served big, reaching a top speed of 141 mph to rack up 20 aces on a very hot day on the court. Williams entered car rental italy convertible the day ranked 289th in the world. car rental italy convertible Roddick, the 20th seed in the tournament, wil face the winner of the match between Australia's Bernard Tomic and Carlos Berlocq of Argentina.
15th-seeded Canadian Milos Raonic narrowly avoided becoming car rental italy convertible the fist big upset victim on the men's side of the draw at the U.S. Open on Tuesday. Raonic defeated car rental italy convertible Colombia's Santiago Giraldo 6-3, 4-6, 3-6, 6-4, 6-4. Raonic struggled with his first serve all day, only landing 54% in play and racking up 15 double faults. In addition to his serving struggles, Raonic car rental italy convertible committed 55 total unforced errors. Raonic will advance to play Paul-Henri Mathieu of France in the second round.
Jo-Wilfried Tsonga, the man who beat Raonic in the longest tennis match in Olympic history in London, car rental italy convertible also advanced on Tuesday, but in a much easier fashion. The fifth-seeded Frenchman beat Slovakia's Karol Beck 6-3, 6-1, 7-6 (7-2). Tsonga car rental italy convertible will face Martin Klizan car rental italy convertible of Slovakia in the second round.
In the women's draw two more seeded car rental italy convertible players fell on Tuesday afternoon. 24th-seeded Klara Zakopalova of the Czech Republic fell to her countrywoman Andrea Hlavackova car rental italy convertible 6-4, 6-4 and 32nd-seeded Shuai Peng of China lost 7-6 (7-5), 6-1 to Russian Elena Vesnina.
No. 6-seeded Tomas Berdych of the Czech Republic easily moved onto the second round of the 2012 U.S. Open Tuesday, as he defeated first-round opponent David Goffin of Belgium in straight sets, 7-5, 6-3, 6-3. Berdych advances to face Estonia's Jurgen Zopp in the second round. Zopp knocked off Uzbekistan's Denis Istomin in his first-round match.
Berdych is playing in his ninth U.S. Open, where he's never gotten past the fourth round, an accomplishment he did in 2004, '06 and '07. The furthest Berdych ever advanced car rental italy convertible in a major championship was in 2010 when he reached the Wimbledon final, where he lost to Rafael Nadal. Zapp is playing in his first U.S. Open.
Second-seeded Agnieszka Radwanka of Poland easily advanced in her opening-round match at the 2012 U.S. Open on Tuesday, defeating Russia's Nina Bratchikova in straight sets, 6-1, 6-1. Radwanska dominated Bratchikova, winning six of seven break points and only hitting six errors car rental italy convertible to Bratchikova's 28. She will move on to play Spain's Carla Suarez Navarro, who advanced after her opponent, Ksenia Pervak of Kazakhstan, retired; Navarro was leading 7-5, 1-2 at the time.
2012 has been an up-and-down year for Radwanska, who reached her first ever Grand Slam final at Wimbledon, where she lost to Serena Williams, but followed that performance up with a first-round loss at the London car rental italy convertible Olympics. Radwanksa has never advanced past the fourth round at the U.S. Open, but hopes to change that this year.
Roger Federer looked as good as ever Monday, winning his opening-round match against American Donald Young in straight sets , 6-3, 6-2, 6-4. After falling short at Flushing Meadows the past three years, can the world's top-ranked player finally capture his sixth U.S. Open title?
"Novak to me goes in as the favorite still because he's the defending champion," Federer said after defeating Young . "He's probably car rental italy convertible won the most titles on hard courts the last couple of years. It's where he felt most comfortable.
Federer lost to Djokovic in last year's U.S. Open semifinals but has since bested his rival in their last two meetings, including the 2012 Wimbledon's semifinal in July and last week's Western Southern Open final in Cincinnati . On opposite ends of the draw at this year's U.S. Open, Federer and Djokovic could meet again in yet another Grand Slam final.
Roddick, the 2002 champion and No. 20 seed, faces fellow American Rhyne Williams at 1 pm. Roddick reached the quarterfinals of the U.S. Open a year ago. He has not reached as far as the semifinals since he was the runner-up in 2006.
The second-seeded and defending champion Djokovic is looking to bou