Improving his season record to 38-0, No. 2 Novak Djokovic of Serbia broke on six of 16 chances en route to a 6-2, 6-1, 6-3 victory over Thiemo De Bakker of the Netherlands on May 23, 2011.

Playing in his 13th French Open, No. 3 Roger Federer earned a first-round victory, beating Spain's Feliciano Lopez 6-3, 6-4, 7-6 (3) on Day 2. Federer never faced a break point on his serve, while he broke Lopez on two of nine chances.

Hitting 30 unforced errors to Roger Federer's 31 and 31 winners to the No. 3 seed's 40, Spain's Feliciano Lopez couldn't pull out a first-round victory on May 23, 2011.

No. 1 Caroline Wozniacki of Denmark needed just one hour to record a 6-0, 6-2 victory over Japan's Kimiko Date-Krumm, hitting 12 winners to nine unforced errors.

No. 5 Francesca Schiavone of Italy (left) started her French Open title defense with a 62-minute 6-2, 6-0 victory over American Melanie Oudin. While Oudin had just six winners to eight unforced errors, Schiavone hit 25 winners to 16 errors.

Converting five of six break point chances against Spain's Lourdes Dominguez Lino, No. 3 Vera Zvonareva of Russia earned a 6-3, 6-3 first-round victory at Roland Garros.

Pulling out a 3-6, 3-6, 6-2, 6-2, 9-7 victory over No. 6 Tomas Berdych of the Czech Republic in a 203-minute match, France's Stephane Robert moved past the first round at a Grand Slam tournament for just the second time in his career. Robert hit 62 winners to 42 unforced errors in the win.

After making it to the semifinals of the French Open in 2010, the Czech Republic's Tomas Berdych lost in the first round in 2011 in a five-set thriller to France's Stephane Robert. Berdych won the same number of points as Robert (154), but couldn't pull out the victory.

In addition to saving all five break point chances he faced, No. 25 Juan Martin del Potro of Argentina also won 82 percent of the points on his first serve and 67 percent of the points on his second serve in a 6-7 (7), 6-3, 7-5, 6-4 tough victory over Croatia's Ivo Karlovic on Day 2 of the 2011 French Open.

Croatia's Ivo Karlovic won 41 of the 66 points on which he came to net, but it wasn't enough to help him top No. 25 Juan Martin del Potro of Argentina in Day 2 action at Roland Garros.

No. 9 Gael Monfils of France won a total of 120 points to the 88 won by Day 2 opponent Bjorn Phau of Germany in a 4-6, 6-3, 7-5, 6-0 victory.

Although Germany's Bjorn Phau took the first set in his first-round match against No. 9 Gael Monfils of France, he couldn't hold on for the upset, ultimately falling in four sets. Phau finished the Day 2 match with 37 winners to 59 unforced errors.

Matching 27 unforced errors with 28 winners, No. 9 Petra Kvitova of the Czech Republic cruised to a 6-2, 6-1 Day 2 victory over Hungary's Greta Arn at the 2011 French Open.

Surviving a first-round scare from Brazil's Ricardo Mello, No. 10 Mardy Fish of the United States pulled out a 6-2, 6-7 (11), 6-2, 6-4 victory on May 23, 2011. Fish hit 47 winners to 36 unforced errors in the match.

Despite taking some time out of his match to have a trainer work on his back, No. 27 Marcos Baghdatis of Cyprus completed a three-set sweep of Portugal's Frederico Gil, 7-6 (4), 6-2, 6-2.

No. 13 Richard Gasquet of France converted five of eight break points while saving all five he faced on his serve in a 7-5, 6-3, 6-0 first-round victory over the Czech Republic's Radek Stepanek.

No. 25 Maria Kirilenko of Russia converted three of five break point chances in a 7-6 (5), 6-2 victory over American Coco Vandeweghe on Day 2.

Although she hit more winners than first-round opponent No. 25 Maria Kirilenko (21 to 8), American Coco Vandeweghe also hit more unforced errors (24 to 13) in a straight-set defeat on May 23, 2011.

France's Aravane Rezai hit just 15 winners to 44 unforced errors in a 6-3, 6-3 defeat at the hands of Romania's Irina-Camelia Begu on May 23, 2011.

No. 12 Mikhail Youzhny of Russia was vocal in celebrating his 7-5, 6-2, 6-4 victory over Japan's Go Soeda on May 23, 2011. Youzhny had 32 winners to Soeda's 16 in the match.

In a match that lasted 141 minutes, Australia's Anastasia Rodionova dropped the first set before rebounding to knock out No. 26 Nadia Petrova of Russia, 6-7 (5), 6-3, 6-4.

Belgium's Steve Darcis had more winners than No. 22 Michael Llodra of France (48 to 38) and fewer unforced errors (27 to 37) in a 6-7 (5), 6-3, 6-3, 6-3 victory on May 23, 2011.

France's Michael Llodra, the No. 22 seed, lost in the first round of the French Open for the third straight year and for the ninth time in 12 career appearances at the Slam at Roland Garros.

No. 11 Marion Bartoli looked lost in her first set against Georgia's Anna Tatishvili but subsequently rallied to pull out a 1-6, 6-2, 6-1 victory at Roland Garros.

No. 26 Nadia Petrova of Russia made it to the quarterfinals of the French Open last year but bowed out in the first round this time around, winning 103 points to Australian opponent Anastasia Rodionova's 106.

Cruising to a 6-1, 6-2 win in just 61 minutes, No. 12 Agnieszka Radwanska of Poland moved into the second round at the expense of Austria's Patricia Mayr-Achleitner.

Winning a total of 94 points to the 61 won by first-round opponent Florent Serra of France, Russia's Igor Andreev moved into the second round at Roland Garros.

American Alex Bogomolov Jr. won a set but not the match against Spain's Marcel Granollers on May 23, 2011, falling by a 6-3, 3-6, 7-6 (6), 6-2 score. Bogomolov won a total of 115 points to Granollers' 125.

Germany's Sabine Lisicki broke on five of eight chances in a 6-0, 6-4 victory over Akgul Amanmuradova of Uzbekistan in the first round of the 2011 French Open.

Winning just four of her 14 second-serve points and 25 of her 46 first-serve points wasn't good enough for China's Shuai Zhang, as she fell in straight sets, 6-3, 6-3, to No. 28 Daniela Hantuchova of Slovakia.

Great Britain's Heather Watson hit just 12 winners to Day 2 opponent Stephanie Foretz Gacon's 28 but also hit 20 fewer unforced errors than her French opponent en route to a 7-6 (6), 6-1 victory at Roland Garros.

After a tight first set, Germany's Denis Gremelmayr couldn't keep up that effort against No. 28 Nikolay Davydenko of Russia, falling 7-6 (2), 6-1, 6-3.

Although she was broken four times, China's Jie Zheng converted seven of her own 13 break point chances to earn a 6-4, 6-3 Day 2 victory over Sandra Zahlavova of the Czech Republic.