<p>The American former number one said she did not want to harm her chances at the French Open starting later this month and added the knee problem was linked to a thigh injury that has been bothering her in recent weeks. <br /><br />In the men's draw, ninth seeded Frenchman Jo-Wilfried Tsonga battled past his former idol Marat Safin 6-4, 7-5 to set up a second-round clash with Croatian wild card Ivan Ljubicic. <br /><br />Tsonga, 24, said he remembered watching the 29-year-old Safin, a former world number one, playing at the French Open and the Paris Masters, where the Russian won three times and finished runner-up once. <br /><br />"For me he was like an idol before, so it was really special to play against him and to win against him," Tsonga told a news conference. <br /><br />"I liked his game but before everything his personality," he added. "Today I was happy with my game. I played great tennis, some good serves and volleys, and I was really aggressive so I'm happy today." <br /><br />Twelfth seed David Ferrer of Spain beat Guillermo Canas of Argentina 6-2, 6-2 and 11th seed Stanislas Wawrinka of Switzerland trounced Italian qualifier Marco Crugnola 6-2, 6-0. In the women's draw, Elena Dementieva defeated Lourdes Dominguez Lino of Spain 6-3, 6-2.<br /><br />Sania-Chuang advance<br /><br />Sania Mirza and her Taipei partner Chia-Jung Chuang moved to the doubles pre-quarterfinals of the euro 3,500,000 Madrid Masters after defeating wildcards Ma Emilia Salerni and Silvia Soler Espinosa 6-3, 6-4 in their opening match.<br /><br />They will next take second seeds Anabel Median Garrigues and Virginia Ruano Pascual.<br />Sania could not make it to the singles main draw as she lost the first round of the qualifying event to France’s Aravane Rezai 3-6, 3-6.<br /><br />Somdev in pre-quarters<br /><br />Somdev Devvarman knocked out third seed and world number 104 Leonardo Mayer of Argentina 4-6, 6-2, 6-2 to advance to the pre-quarterfinals of the $50,000 Zagreb ATP Challenger event.<br /><br />Meanwhile, in the Turkey ATP event, Prakash Amritraj and his American partner Rajeev Ram advanced to the doubles quarterfinals after beating local wild card pair of Sami Beceren and Banis Erguden 7-6 (3), 6-2 in the first round.</p>
<p>The American former number one said she did not want to harm her chances at the French Open starting later this month and added the knee problem was linked to a thigh injury that has been bothering her in recent weeks. <br /><br />In the men's draw, ninth seeded Frenchman Jo-Wilfried Tsonga battled past his former idol Marat Safin 6-4, 7-5 to set up a second-round clash with Croatian wild card Ivan Ljubicic. <br /><br />Tsonga, 24, said he remembered watching the 29-year-old Safin, a former world number one, playing at the French Open and the Paris Masters, where the Russian won three times and finished runner-up once. <br /><br />"For me he was like an idol before, so it was really special to play against him and to win against him," Tsonga told a news conference. <br /><br />"I liked his game but before everything his personality," he added. "Today I was happy with my game. I played great tennis, some good serves and volleys, and I was really aggressive so I'm happy today." <br /><br />Twelfth seed David Ferrer of Spain beat Guillermo Canas of Argentina 6-2, 6-2 and 11th seed Stanislas Wawrinka of Switzerland trounced Italian qualifier Marco Crugnola 6-2, 6-0. In the women's draw, Elena Dementieva defeated Lourdes Dominguez Lino of Spain 6-3, 6-2.<br /><br />Sania-Chuang advance<br /><br />Sania Mirza and her Taipei partner Chia-Jung Chuang moved to the doubles pre-quarterfinals of the euro 3,500,000 Madrid Masters after defeating wildcards Ma Emilia Salerni and Silvia Soler Espinosa 6-3, 6-4 in their opening match.<br /><br />They will next take second seeds Anabel Median Garrigues and Virginia Ruano Pascual.<br />Sania could not make it to the singles main draw as she lost the first round of the qualifying event to France’s Aravane Rezai 3-6, 3-6.<br /><br />Somdev in pre-quarters<br /><br />Somdev Devvarman knocked out third seed and world number 104 Leonardo Mayer of Argentina 4-6, 6-2, 6-2 to advance to the pre-quarterfinals of the $50,000 Zagreb ATP Challenger event.<br /><br />Meanwhile, in the Turkey ATP event, Prakash Amritraj and his American partner Rajeev Ram advanced to the doubles quarterfinals after beating local wild card pair of Sami Beceren and Banis Erguden 7-6 (3), 6-2 in the first round.</p>