The world's best tennis players show their intensity on the clay courts at Roland Garros during the 2013 French Open in Paris.
Italian Fabio Fognini hits a shot during his French Open men's third round match against Spaniard Rafael Nadal at Roland Garros in Paris on June 1, 2013. Nadal defeated Fognini 7-6 (5), 6-4, 6-4. UPI/David Silpa
Sorana Cirstea of Romania hits a shot during her French Open women's third round match against American Serena Williams at Roland Garros in Paris on May 31, 2013. Williams defeated Cirstea 6-0, 6-2. UPI/David Silpa
American Serena Williams reacts after a shot during her French Open women's third round match against Sorana Cirstea of Romania at Roland Garros in Paris on May 31, 2013. Williams defeated Cirstea 6-0, 6-2. UPI/David Silpa
Julien Benneteau of France follows through after a shot during his French Open men's third round match against Roger Federer of Switzerland at Roland Garros in Paris on May 31, 2013. Federer defeated Benneteau 6-3, 6-4, 7-5. UPI/David Silpa