American Serena Williams hits a serve during her French Open women's second round match against Anna-Lena Friedsam of Germany at Roland Garros in Paris on May 28, 2015. Williams defeated Friedsam 5-7, 6-3, 6-3 to advance to the next round. Photo by David Silpa/UPI
Anna-Lena Friedsam of Germany reacts after a shot during her French Open women's second round match against American Serena Williams at Roland Garros in Paris on May 28, 2015. Williams defeated Friedsam 5-7, 6-3, 6-3 to advance to the next round. Photo by David Silpa/UPI
American Serena Williams hits a shot during her French Open women's second round match against Anna-Lena Friedsam of Germany at Roland Garros in Paris on May 28, 2015. Williams defeated Friedsam 5-7, 6-3, 6-3 to advance to the next round. Photo by David Silpa/UPI
Anna-Lena Friedsam of Germany reacts after a shot during her French Open women's second round match against American Serena Williams at Roland Garros in Paris on May 28, 2015. Williams defeated Friedsam 5-7, 6-3, 6-3 to advance to the next round. Photo by David Silpa/UPI
American Serena Williams reacts after a shot during her French Open women's second round match against Anna-Lena Friedsam of Germany at Roland Garros in Paris on May 28, 2015. Williams defeated Friedsam 5-7, 6-3, 6-3 to advance to the next round. Photo by David Silpa/UPI
Anna-Lena Friedsam of Germany hits a shot during her French Open women's second round match against American Serena Williams at Roland Garros in Paris on May 28, 2015. Williams defeated Friedsam 5-7, 6-3, 6-3 to advance to the next round. Photo by David Silpa/UPI
American Jack Sock hits a serve during his French Open men's second round match against Pablo Carreno Busta of Spain at Roland Garros in Paris on May 28, 2015. Photo by David Silpa/UPI
Pablo Carreno Busta of Spain reacts after a shot during his French Open men's second round match against American Jack Sock at Roland Garros in Paris on May 28, 2015. Photo by David Silpa/UPI
American Madison Keys hits a shot during her French Open women's second round match against Belinda Bencic of Switzerland at Roland Garros in Paris on May 28, 2015. Keys defeated Bencic 6-0, 6-3 to advance to the next round. Photo by David Silpa/UPI
Belinda Bencic of Switzerland hits a shot during her French Open women's second round match against American Madison Keys at Roland Garros in Paris on May 28, 2015. Keys defeated Bencic 6-0, 6-3 to advance to the next round. Photo by David Silpa/UPI
American Madison Keys hits a serve during her French Open women's second round match against Belinda Bencic of Switzerland at Roland Garros in Paris on May 28, 2015. Keys defeated Bencic 6-0, 6-3 to advance to the next round. Photo by David Silpa/UPI
American Jack Sock hits a shot during his French Open men's second round match against Pablo Carreno Busta of Spain at Roland Garros in Paris on May 28, 2015. Photo by David Silpa/UPI
Silvia Soler-Espinosa of Spain hits a shot during her French Open women's second round match against Petra Kvitova of the Czech Republic at Roland Garros in Paris on May 28, 2015. Kvitova defeated Soler-Espinosa 6-7 (4), 6-4, 6-2 to advance to the next round. Photo by David Silpa/UPI
Petra Kvitova of the Czech Republic hits a shot during her French Open women's second round match against Silvia Soler-Espinosa of Spain at Roland Garros in Paris on May 28, 2015. Kvitova defeated Soler-Espinosa 6-7 (4), 6-4, 6-2 to advance to the next round. Photo by David Silpa/UPI
Silvia Soler-Espinosa of Spain hits a shot during her French Open women's second round match against Petra Kvitova of the Czech Republic at Roland Garros in Paris on May 28, 2015. Kvitova defeated Soler-Espinosa 6-7 (4), 6-4, 6-2 to advance to the next round. Photo by David Silpa/UPI
Petra Kvitova of the Czech Republic hits a shot during her French Open women's second round match against Silvia Soler-Espinosa of Spain at Roland Garros in Paris on May 28, 2015. Kvitova defeated Soler-Espinosa 6-7 (4), 6-4, 6-2 to advance to the next round. Photo by David Silpa/UPI
Rafael Nadal of Spain hits a serve during his French Open men's second round match against Nicolas Almagro of Spain at Roland Garros in Paris on May 28, 2015. Nadal defeated Almagro 6-4, 6-3, 6-1 to advance to the next round. Photo by David Silpa/UPI
Nicolas Almagro of Spain reacts after a shot during his French Open men's second round match against Rafael Nadal of Spain at Roland Garros in Paris on May 28, 2015. Nadal defeated Almagro 6-4, 6-3, 6-1 to advance to the next round. Photo by David Silpa/UPI
Rafael Nadal of Spain hits a shot during his French Open men's second round match against Nicolas Almagro of Spain at Roland Garros in Paris on May 28, 2015. Nadal defeated Almagro 6-4, 6-3, 6-1 to advance to the next round. Photo by David Silpa/UPI
Rafael Nadal of Spain hits a shot during his French Open men's second round match against Nicolas Almagro of Spain at Roland Garros in Paris on May 28, 2015. Nadal defeated Almagro 6-4, 6-3, 6-1 to advance to the next round. Photo by David Silpa/UPI
Nicolas Almagro of Spain hits a shot during his French Open men's second round match against Rafael Nadal of Spain at Roland Garros in Paris on May 28, 2015. Nadal defeated Almagro 6-4, 6-3, 6-1 to advance to the next round. Photo by David Silpa/UPI
Roger Federer of Switzerland hits a shot during his French Open men's second round match against Marcel Granollers of Spain at Roland Garros in Paris on May 27, 2015. Federer defeated Granollers 6-2, 7-6 (1), 6-3 to advance to the next round. Photo by David Silpa/UPI
Marcel Granollers of Spain hits a shot during his French Open men's second round match against Roger Federer of Switzerland at Roland Garros in Paris on May 27, 2015. Federer defeated Granollers 6-2, 7-6 (1), 6-3 to advance to the next round. Photo by David Silpa/UPI
Roger Federer of Switzerland hits a shot during his French Open men's second round match against Marcel Granollers of Spain at Roland Garros in Paris on May 27, 2015. Federer defeated Granollers 6-2, 7-6 (1), 6-3 to advance to the next round. Photo by David Silpa/UPI
Marcel Granollers of Spain hits a serve during his French Open men's second round match against Roger Federer of Switzerland at Roland Garros in Paris on May 27, 2015. Federer defeated Granollers 6-2, 7-6 (1), 6-3 to advance to the next round. Photo by David Silpa/UPI
Roger Federer of Switzerland hits a shot during his French Open men's second round match against Marcel Granollers of Spain at Roland Garros in Paris on May 27, 2015. Federer defeated Granollers 6-2, 7-6 (1), 6-3 to advance to the next round. Photo by David Silpa/UPI
Stan Wawrinka of Switzerland hits a shot during his French Open men's second round match against Dusan Lajovic of Serbia and Montenegro at Roland Garros in Paris on May 27, 2015. Wawrinka defeated Lajovic 6-3, 6-4, 5-7, 6-3 to advance to the next round. Photo by David Silpa/UPI
Stan Wawrinka of Switzerland hits a shot during his French Open men's second round match against Dusan Lajovic of Serbia and Montenegro at Roland Garros in Paris on May 27, 2015. Wawrinka defeated Lajovic 6-3, 6-4, 5-7, 6-3 to advance to the next round. Photo by David Silpa/UPI
Stan Wawrinka of Switzerland hits a shot during his French Open men's second round match against Dusan Lajovic of Serbia and Montenegro at Roland Garros in Paris on May 27, 2015. Wawrinka defeated Lajovic 6-3, 6-4, 5-7, 6-3 to advance to the next round. Photo by David Silpa/UPI
Dusan Lajovic of Serbia and Montenegro hits a shot during his French Open men's second round match against Stan Wawrinka of Switzerland at Roland Garros in Paris on May 27, 2015. Wawrinka defeated Lajovic 6-3, 6-4, 5-7, 6-3 to advance to the next round. Photo by David Silpa/UPI
Stan Wawrinka of Switzerland hits a serve during his French Open men's second round match against Dusan Lajovic of Serbia and Montenegro at Roland Garros in Paris on May 27, 2015. Wawrinka defeated Lajovic 6-3, 6-4, 5-7, 6-3 to advance to the next round. Photo by David Silpa/UPI
Stan Wawrinka of Switzerland hits a serve during his French Open men's second round match against Dusan Lajovic of Serbia and Montenegro at Roland Garros in Paris on May 27, 2015. Wawrinka defeated Lajovic 6-3, 6-4, 5-7, 6-3 to advance to the next round. Photo by David Silpa/UPI
Simona Halep of Romania hits a shot during her French Open women's second round match against Mirjana Lucic-Baroni of Croatia at Roland Garros in Paris on May 27, 2015. Lucic-Baroni defeated Halep 7-5, 6-1 to advance to the next round. Photo by David Silpa/UPI
Simona Halep of Romania hits a serve during her French Open women's second round match against Mirjana Lucic-Baroni of Croatia at Roland Garros in Paris on May 27, 2015. Lucic-Baroni defeated Halep 7-5, 6-1 to advance to the next round. Photo by David Silpa/UPI
Mirjana Lucic-Baroni of Croatia hits a shot during her French Open women's second round match against Simona Halep of Romania at Roland Garros in Paris on May 27, 2015. Lucic-Baroni defeated Halep 7-5, 6-1 to advance to the next round. Photo by David Silpa/UPI
Mirjana Lucic-Baroni of Croatia hits a shot during her French Open women's second round match against Simona Halep of Romania at Roland Garros in Paris on May 27, 2015. Lucic-Baroni defeated Halep 7-5, 6-1 to advance to the next round. Photo by David Silpa/UPI
Simona Halep of Romania hits a shot during her French Open women's second round match against Mirjana Lucic-Baroni of Croatia at Roland Garros in Paris on May 27, 2015. Lucic-Baroni defeated Halep 7-5, 6-1 to advance to the next round. Photo by David Silpa/UPI
Mirjana Lucic-Baroni of Croatia hits a shot during her French Open women's second round match against Simona Halep of Romania at Roland Garros in Paris on May 27, 2015. Lucic-Baroni defeated Halep 7-5, 6-1 to advance to the next round. Photo by David Silpa/UPI
Simona Halep of Romania hits a shot during her French Open women's second round match against Mirjana Lucic-Baroni of Croatia at Roland Garros in Paris on May 27, 2015. Lucic-Baroni defeated Halep 7-5, 6-1 to advance to the next round. Photo by David Silpa/UPI
Martina Hingis of Switzerland hits a shot during her French Open women's doubles first round match at Roland Garros in Paris on May 27, 2015. Hingis, along with her partner Sania Mirza of India, are the top seeded women's doubles team and advanced to the next round. Photo by David Silpa/UPI
Martina Hingis of Switzerland hits a shot during her French Open women's doubles first round match at Roland Garros in Paris on May 27, 2015. Hingis, along with her partner Sania Mirza of India, are the top seeded women's doubles team and advanced to the next round. Photo by David Silpa/UPI
Martina Hingis of Switzerland hits a shot during her French Open women's doubles first round match at Roland Garros in Paris on May 27, 2015. Hingis, along with her partner Sania Mirza of India, are the top seeded women's doubles team and advanced to the next round. Photo by David Silpa/UPI
Benoit Paire of France hits a shot during his French Open men's second round match against Fabio Fognini of Italy at Roland Garros in Paris on May 27, 2015. Paire defeated Fognini 6-1, 6-3, 7-5 to advance to the next round. Photo by David Silpa/UPI
Fabio Fognini of Italy hits a shot during his French Open men's second round match against Benoit Paire of France at Roland Garros in Paris on May 27, 2015. Paire defeated Fognini 6-1, 6-3, 7-5 to advance to the next round. Photo by David Silpa/UPI
A fight breaks out in the stands during the French Open men's second round match between Fabio Fognini of Italy and Benoit Paire of France at Roland Garros in Paris on May 27, 2015. Paire defeated Fognini 6-1, 6-3, 7-5 to advance to the next round. Photo by David Silpa/UPI
A man is escorted out by security after a fight broke out in the stands during the French Open men's second round match between Fabio Fognini of Italy and Benoit Paire of France at Roland Garros in Paris on May 27, 2015. Paire defeated Fognini 6-1, 6-3, 7-5 to advance to the next round. Photo by David Silpa/UPI
A fight breaks out in the stands during the French Open men's second round match between Fabio Fognini of Italy and Benoit Paire of France at Roland Garros in Paris on May 27, 2015. Paire defeated Fognini 6-1, 6-3, 7-5 to advance to the next round. Photo by David Silpa/UPI
Benoit Paire of France reacts after a shot during his French Open men's second round match against Fabio Fognini of Italy at Roland Garros in Paris on May 27, 2015. Paire defeated Fognini 6-1, 6-3, 7-5 to advance to the next round. Photo by David Silpa/UPI
Benjamin Becker of Germany reacts after winning his French Open men's second round match against Fernando Verdasco of Spain at Roland Garros in Paris on May 27, 2015. Becker defeated Verdasco 6-4, 0-6, 1-6, 7-5, 10-8 to advance to the next round. Photo by David Silpa/UPI
Fernando Verdasco of Spain hits a shot during his French Open men's second round match against Benjamin Becker of Germany at Roland Garros in Paris on May 27, 2015. Becker defeated Verdasco 6-4, 0-6, 1-6, 7-5, 10-8 to advance to the next round. Photo by David Silpa/UPI
Benjamin Becker of Germany reacts after winning his French Open men's second round match against Fernando Verdasco of Spain at Roland Garros in Paris on May 27, 2015. Becker defeated Verdasco 6-4, 0-6, 1-6, 7-5, 10-8 to advance to the next round. Photo by David Silpa/UPI
Fernando Verdasco of Spain hits a shot during his French Open men's second round match against Benjamin Becker of Germany at Roland Garros in Paris on May 27, 2015. Becker defeated Verdasco 6-4, 0-6, 1-6, 7-5, 10-8 to advance to the next round. Photo by David Silpa/UPI
Benjamin Becker of Germany hits a shot during his French Open men's second round match against Fernando Verdasco of Spain at Roland Garros in Paris on May 27, 2015. Becker defeated Verdasco 6-4, 0-6, 1-6, 7-5, 10-8 to advance to the next round. Photo by David Silpa/UPI
Fabio Fognini of Italy hits a shot during his French Open men's second round match against Benoit Paire of France at Roland Garros in Paris on May 27, 2015. Paire defeated Fognini 6-1, 6-3, 7-5 to advance to the next round. Photo by David Silpa/UPI
Kei Nishikori of Japan hits a shot during his French Open men's second round match against Thomaz Bellucci of Brazil at Roland Garros in Paris on May 27, 2015. Nishikori defeated Bellucci 7-5, 6-4, 6-4 to advance to the next round. Photo by David Silpa/UPI
Thomaz Bellucci of Brazil hits a shot during his French Open men's second round match against Kei Nishikori of Japan at Roland Garros in Paris on May 27, 2015. Nishikori defeated Bellucci 7-5, 6-4, 6-4 to advance to the next round. Photo by David Silpa/UPI
