U.S. Open 2012: Andy Roddick Will Retire; Americans Mardy Fish, Jack Sock Advance

2012 U.S. Open Tennis Schedule And TV Coverage: Andy Roddick Returns to Action Following Retirement Announcement

On Thursday, Andy Roddick announced he will retire from tennis after the U.S. Open. On Friday, he plays to keep his career going a couple of days longer. The No. 20-ranked Roddick can advance to the third round with a win over Bernard Tomic of Australia Friday night. Roddick and Tomic are scheduled to start at 7:00 ET on Arthur Ashe Court with television coverage on ESPN2.

In other important matches, No. 2-ranked Novak Djokovic faces unranked Rogerio Dutra Silva at approximately 1:00 ET Friday. No. 4-ranked David Ferrer will play Igor Sijsling of The Netherlands at 11:00 ET. No. 7-ranked Juan Martin del Potro draws American Ryan Harrison at approximately 1:00 ET. Ninth-ranked American John Isner follows del Potro, taking on Jarkko Nieminen on Louis Armstrong Court in the early afternoon.

The best Friday matchups are in the women's draw, where No. 7-ranked Samantha Stosur faces No. 31-ranked Varvara Lepchenko at 11:00 ET Friday morning. Top-ranked Victoria Azarenka will play No. 28-ranked Jie Zheng in Friday's late match. In the other second-round match between ranked players, No. 15-ranked Lucie Safarova and No. 19-ranked Nadia Petrova face off at approximately 3:00 ET. Maria Sharapova, the third-ranked player in the tournament, takes on American youngster Mallory Burdette, set to begin following the Djokovic-Silva match.

Elsewhere, the Williams sisters play Klaudia Jans-Ignacik and Kristina Mladenovic, the No. 15-ranked women's doubles team in the Open. The match is scheduled to start at 3:00 ET.

For the complete schedule, go to the U.S. Open website. Television coverage will begin on Tennis Channel at 10:30, moving to ESPN2 at 1:00 ET.

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2012 U.S. Open Tennis Results: Venus Williams Knocked Out of U.S. Open

Venus Williams lost her second-round match at the U.S. Open tonight, falling to No. 6 Angelique Kerber 6-2, 5-7, 7-5. Williams held a 4-2 lead in the third set, but was broken in the eleventh game and failed to force a tiebreak in the twelfth. It was Williams' second loss to Kerber in a month; the German also defeated Venus in the third round of the Olympics.

Williams struggled with her serve throughout the match, successfully playing only 54% of her first serves and recording a staggering 16 double faults. Williams recorded more winners -- 43 to Kerber's 20 -- but played 35 more unforced errors than her opponent. Williams was successful when she could get to the net, but Kerber's baseline effectively game kept her from advancing frequently.

The loss brings Venus' major championship season to a close, a difficult season for the superstar as she returned to action after missing much of 2011 with illness and injury. Venus and her sister Serena will be in action tomorrow in women's doubles.

On the men's side, Roger Federer dominated Bjorn Phau in three straight sets 6-2, 6-3 and 6-2 to advance to the third round. The top-seeded Federer overwhelmed Phau with 15 aces and 44 winners to Phau's total of 16. Federer won nearly 80% of his first serve points and only double-faulted once.

The one hour and a half clinic advanced Federer to the third round for a matchup against Fernando Verdasco. Federer holds a 4-0 record against Verdasco, last beating him in 2009 at the quarterfinals of the ATP World Finals.

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2012 U.S. Open: Venus Williams Falls To Angelique Kerber In Second Round

Angelique Kerber beat Venus Williams in three sets to advance to the third round of the U.S. Open on Thursday night at Arthur Ashe Stadium. Kerber won the third set 7-5, winning on a Williams unforced error into the net.

Williams dropped the first set 6-2. She struggled to get in a rhythm, double faulting five times. In the second set, the two-time U.S. Open champion was down 2-0, but came back to win 7-5 in a gusty fashion.

In the third set, Williams stormed out to a 4-2 lead, but a surging Kerber battled back to tie the set at 4-4. Kerber stayed in the match, persevering through several long rallies and a pro-Williams crowd and eventually secured a third round berth, winning the set 7-5.

Williams had 43 winners to Kerber's 20, but Williams hurt herself by committing 60 unforced errors. Kerber faces Russia's Olga Puchkova in the third round.

For all U.S. scores and updates, check out USOpen.org.

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2012 U.S. Open: Roger Federer Rolls Past Bjorn Phau

Roger Federer is handling his business just fine, dominating his second round match with Bjorn Phau of Germany, winning in straight sets 6-2, 6-3, 6-2. Federer needed only an hour and a half to cruise past Phau, breaking Phau's serve five times to ensure this match didn't last any longer than that.

All the match stats revealed total tennis dominance. Federer served up 15 aces to Phau's two to really take control. He won 79 percent of his first serves and 63 percent of his second serves (compared to Phau winning 65 percent of his first serves and 41 percent of his second serves). Federer wasn't too sharp at the net, but he did have 32 points won there, compared to Phau's eight, ending up with 44 winners to Phau's 16.

Federer really used his forehand most of the game, committing most of his errors there while also compiling 20 winners there, including seven on overhead shots.

For all U.S. scores and updates, check out USOpen.org.

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2012 U.S. Open Tennis Scores: American Sam Querrey Drops Ruben Ramirez Hidalgo

Sam Querrey bested Spaniard Ruben Ramirez Hidalgo in straight sets in the second round of the U.S. Open on Thursday afternoon.

Querrey, ranked No. 27 in the tournament, smashed 19 aces past Hidalgo, who only served one ace in the contest, en route to the straight set victory, 6-3, 6-4, 6-3, in a match that only lasted around 99 minutes. Additionally, he nailed 43 winners past Hidalgo, who notched 18 of his own. Querrey also won 88 percent of his points on the first serve, a key to his ability in keeping Hidalgo from capturing a set.

Round 3 will offer a stiffer test for Querrey as he faces No. 6 Tomas Berdych of the Czech Republic, who defeated Jurgen Zopp to advance.

Though Hidalgo had seven less unforced errors than Querrey, the American won 4 out of 8 break points and also had two fewer (4) double faults than Hidalgo.

For all U.S. scores and updates, check out USOpen.org.

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2012 U.S. Open Tennis Scores: James Blake Upends Marcel Granollers In Straight Sets

James Blake defeated Spaniard No. 24 Marcel Granollers in the second round of the U.S. Open on Thursday evening.

Blake won in straight sets, 6-1, 6-4, 6-2, in Louis Armstrong Stadium, making quick work of Granollers while only serving two aces throughout the match.

Blake had more unforced errors (22) than Granollers' 16, but hit 39 winners to Granoller's 11 and won more than 30 more points overall.

Next up in Round 3 for Blake will be Canadian No. 15 Milos Raonic, who defeated Frenchman Paul-Henri Mathieu in straight sets, two of which were won in tiebreakers.

Blake was 33 for 41 in net points won, good for 80 percent, and he won more the 78 percent of his points on the first serve, staying in control of the match.

The first set was done in 25 minutes, and Blake never looked back from there, finishing the second and third sets in 34 and 38 minutes, respectively.

For all U.S. scores and updates, check out USOpen.org.

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U.S. Open 2012: Serena Williams On Andy Roddick's Retirement

Serena Williams had nothing but praise for fellow tennis pro Andy Roddick on Thursday, according to reports. The No. 22 player in the world announced on Thursday that, win or lose, he will retire following the 2012 U.S. Open.

Noting that she has known Roddick since she was 10 years old, Williams praised Roddick and said she had hoped he would change his mind.

"I love him, and we all love him here," Williams said. "He's been so amazing for American men's tennis."

Roddick made it through the first round of the 2012 U.S. Open with ease, beating fellow American Rhyne Williams in straight sets. His second-round match against Australia's Bernard Tomic will take place at Arthur Ashe Stadium on Friday night.

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U.S. Open 2012: Serena Williams Wins 2nd-Round Match In Two Sets

Women's No. 4 seed Serena Williams faced off with Maria Jose Martinez Sanchez in the second round of U.S. Open play on Thursday afternoon. Williams struggled with her control early in the match and received a tough battle from Sanchez throughout, but the three-time U.S. Open champion eventually pulled away to win in two sets, 6-2, 6-4. Her combination of speed and power is just too much for opponents to overcome right now.

Coming off a dominating performance at the Summer Games, some wondered how much Williams would have left in the tank when she got to Flushing Meadows, N.Y. While she has yet to display the form she showed in winning gold in London or taking her fifth Wimbledon title last month, her results thus far have been undeniable.

Williams will face Ekaterina Makarova in third-round action on Friday afternoon.

Check out Sports Illustrated's complete scoreboard here.

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Andy Roddick Will Retire After 2012 U.S. Open

Andy Roddick entered the week ranked No. 22 in the world and the 20th-seeded player at the 2012 U.S. Open, hoping to recapture his former form and once again play deep into the draw in Flushing Meadows. On Thursday, Roddick revealed that this will be his last chance for Grand Slam glory, as the American announced that he will retiring at the conclusion of the tournament.

Roddick made the announcement on his 30th birthday.

Earlier this summer, Roddick was knocked out of Wimbledon in the third round, and bore little resemblance to the former world No. 1 of years past.

"I have decided that this is going to be my last tournament," Roddick said in a news conference on Thursday. "Walking off at Wimbledon, I felt like I knew. I couldn't imagine myself being there another year."

Roddick is still in the mix for the 2012 U.S. Open crown after winning his opening-round match against fellow American Rhyne Williams. He will face Bernard Tomic of Australia in second-round action at Arthur Ashe Stadium on Friday night.

If Roddick can't take home the trophy in his final tournament, he will retire with one Grand Slam title. He won the 2003 U.S. Open at the age of 21 and lost in four other Grand Slam finals over his career, falling to Roger Federer at the 2006 U.S. Open and three times at Wimbledon (2004, 2005, 2009).

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U.S. Open 2012: No. 2 Agnieszka Radwanska Wins Despite Ugly First Set

Agnieszka Radwanska, the No. 2 seed in the women's draw at the 2012 U.S. Open, found herself struggling in the first set of her second-round match with Carla Suarez Navarro. But after regrouping, Radwanska found her game in the second set and cruised in the third to advance to the third round of the Grand Slam event in Flushing Meadows, N.Y.

Suarez Navarro didn't back down in the first set, defeating the 23-year-old Radwanska 6-4 despite the favorite winning 11 of 15 net points. Radwanska came back to win the second set 6-3, winning two of her three break-point opportunities and tallying nine unforced errors in the set to the Spaniard's 15.

The third set was all Radwanska, who breezed 6-0 in just 26 minutes by winning 14 of 21 receiving points and allowing only seven total points by Suarez Navarro.

Awaiting Radwanska in the third round is No. 30 seed Jelena Jankovic of Serbia, who earlier on Thursday defeated Spain's Lara Arruabarrena-Vecino in straight sets of 6-4, 6-2.

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U.S. Open 2012: Mardy Fish Comes Back From 2-Sets Down To Advance

American Mardy Fish came back from two sets down to defeat Russian Nikolay Davydenko on Thursday at Arthur Ashe Stadium. Fish, No. 23 on the men's side, looked close to elimination after losing the second set in a tiebreak. He was able to recover and take the final three sets in relatively easy fashion.

Fish's strong serve allowed him to make the stunning recovery. He topped out at 130 mph and smashed 16 aces. He also started playing better defense, eventually breaking Davydenko's serve eight times overall for the match.

Fish will advance to play the winner of Jimmy Wang and Gilles Simon in the third round. The comeback from two sets down was the tenth of its kind for the 2012 U.S. Open. The previous event record was nine for the entire tournament.

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U.S. Open 2012 Scores: Jack Sock Advances, Will Face Almagro

American Jack Sock advanced to the third round of the 2012 U.S. Open by winning a match against Italy's Flavio Cipolla on Thursday. The upset of Cipolla, who is ranked No. 87 in the world by ATP, came in dominating sets of 6-2, 6-2 and 6-4.

Power was in favor of the American. His fastest serve turned in was at 135 mph while the 28-year-old Cipolla could only muster a fastest serve of 106. Sock also recorded 15 aces to none by Cipolla.

It only gets harder for Sock, as the next opponent for the youngster will be Nicolas Almagro of Spain. The No. 11 seed in the U.S. Open had a tough match against Philipp Petzschner, beating the German 6-3, 5-7, 5-7, 6-4 and 6-4.

Sock, who is only 19 years old, is ranked 243rd in the world and came into Thursday with a 4-9 record.

Check out SB Nation's tennis hub for more on the 2012 U.S. Open. And for live scoring updates, take a peek here.

U.S. Open 2012 Tennis Scores: Jo-Wilfried Tsonga Suffers 2nd-Round Upset To Martin Klizan

France's Jo-Wilfried Tsonga became the victim of the 2012 U.S. Open's first major upset Thursday, as the No. 5 seed lost to Slovakia's Martin Klizan, 6-4, 1-6, 6-1, 6-3, at Louis Armstrong Stadium in Flushing Meadows, N.Y. This is the first time in Tsonga's career he's been eliminated in the second round of the Open.

For Klizan, who's ranked No. 52 in the world, this is by far the biggest victory of his career. Klizan, who took advantage of Tsonga's mediocre serve speed all match long, moves onto the third round to face either Jeremy Chardy or Matthew Ebden.

Statically, Klizan dominated second services points as he won 53-percent (25 of 47), while Tsonga won just 38-percent (15 of 40). Klizan also won 60-percent (18 of 30) of the net points, while Tsonga won just 58-percent (15-of 36).

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2012 U.S. Open Tennis Scores: Mardy Fish Loses First Set, Trying To Avoid Upset Loss

Day 4 at the 2012 U.S. Open is in full swing, as the schedule is hitting the meat of the early-afternoon matches. Currently, American Mardy Fish, the No. 23-overall seed, is facing Russia's Nikolay Davydenko in a second-round match at Arthur Ashe Stadium. Davydenko leads the contest 6-4, 2-2.

So far, only one other men's singles match as been completed as Kei Nishikori defeated Tim Smyczek, 6-2, 6-2, 6-4. Nishikori moves onto the third round where he will face the winner of Marin Cilic and Daniel Brands.

Meanwhile, here's a list of the completed women's singles matches:

• Ana Ivanovic def. Sofia Arvidsson, 6-2, 6-2.
• Maria Kirilenko def. Greta Arn, 6-3, 6-2
• Jelena Jankovic def. Lara Arruabarrena-Vecino, 6-4, 6-2
• Dominika Cibulk def. Bojana Jovanovski, 7-6, 7-6
• Andrea Hlavacko def. Galina Voskoboeva, 6-2, 6-7, 6-3

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2012 U.S. Open Scores: Ana Ivanovic Posts Easy Second-Round Win

No. 12 Ana Ivanovic has advanced into the third-round of the 2012 U.S. Open by defeating Sofia Arvidsson of Sweden in straight-set fashion. The former No. 1 had little trouble in cruising to an easy 6-2, 6-2 victory.

Ivanovic tallied the vast majority of her winners with her forehand, as she was dominant with that shot. She also won over 60 percent of her receiving chances, allowing her to break Arvidsson's serve five times.

The popular Serbian is familiar with Arvidsson, having faced her many times. After the match she remarked "It's easier to play someone you know."

In the third round, Ivanovic will face the winner of the match between American Sloane Stephens and German Tatjana Malek. Those two are scheduled to play Thursday afternoon at Louis Armstrong Stadium.

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U.S. Open 2012 Schedule And TV Coverage: Serena Williams And Roger Federer Headline Day 4

Second-round action begins at the U.S. Open in Flushing, N.Y., on Thursday. Headlining the action on the women's side of the tournament is No. 4 Serena Williams, who will face Maria Jose Martinez Sanchez of Spain in Arthur Ashe Stadium. No. 2 Agnieszka Radwanska of Poland will face Carla Suarez Navarro of Spain at the Grandstand Court.

On the men's side of the tournament, No. 1 Roger Federer will face Bjorn Phau at Arthur Ashe Stadium, scheduled to begin at 7 p.m. Americans Mardy Fish and James Blake will be in action on Thursday as well. For a complete schedule of matchups at the U.S. Open, check out the U.S. Open's official website.

Television coverage for the U.S. Open will be provided by both ESPN 2 and the Tennis Channel. Tennis Channel will start its coverage at 10:30 a.m. and run through 7 p.m. ESPN 2's coverage will begin at 1 p.m. and run til 11 p.m.

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U.S. Open Tennis 2012 Results: Kim Clijsters Bows Out One Last Time

The story on Wednesday at the U.S. Open was the final match for Kim Clijsters, who lost what could be her final professional match in the second round. Clijsters fell in straight sets to Great Britain's Laura Robson, and has indicated she will probably retire after this tournament.

Elsewhere, the two marquee primetime matchups ended quickly. Maria Sharpova was finished in under an hour, beating Lourdes Dominguez Lino of Spain 6-0, 6-1 in 54 minutes. Andy Murray was up next in Arthur Ashe Stadium, and won in similarly dominant fashion over Croatia's Ivan Dodig 6-2, 6-1, 6-3.

In other action around the Open, seventh-seeded Juan Martin Del Potro of Argentina needed straight sets to beat Florent Serra of France. John Isner nabbed a first-round win after dropping a set, beating Xavier Malisse of Belgium 6-3, 7-6 (5), 5-7, 7-6 (9). Brian Baker won his first U.S. Open match in seven years. On the women's side, Victoria Azarenka dispatched Kirsten Flipkens in straight sets, 6-2, 6-2.

For more updates and analysis of the 2012 U.S. Open, make sure to stick with SB Nation's dedicated tennis hub.