Ana Ivanovic advanced to the quarterfinals of the Kremlin Cup on Thursday by beating qualifier Valeria Solovieva 6-1, 6-4.
The 11th-ranked Serb broke the 19-year-old Russian, who was playing in her only second match on the WTA Tour, three times in the match.
Ivanovic, whose best result this season was a semifinal appearance in Indian Wells in March, will be playing in her fifth quarterfinal. The 2008 French Open champion is looking for her 12th career title and the first this year.
In the second round of the men's tournament, Jerzy Janowicz of Poland advanced to the quarterfinals by beating seventh-seeded Carlos Berlocq of Argentina 6-3, 6-4.