LUXEMBOURG — Iveta Benesova of the Czech Republic beat second-seeded Anna Chakvetadze of Russia 6-2, 6-4 today to reach the quarterfinals of the Fortis Championships.

Benesova, ranked 42nd in the world, will next play Li Na of China, who beat Mariya Koryttseva of Ukraine 7-6 (6), 6-3.

Third-seeded Daniela Hantuchova of Slovakia and fourth-seeded Caroline Wozniacki of Denmark also advanced to the quarterfinals. Hantuchova beat Germany's Sabine Lisicki 6-0, 6-2 and will next face Sorana Cirstea of Romania, who beat Sara Errani of Italy 6-4, 6-2.

Wozniacki defeated Peng Shuai of China 6-4, 6-4.

Former top-ranked player Amelie Mauresmo needed three sets to beat Stephanie Gehrlein of Germany 6-2, 3-6, 6-0 and reach the second round. She will play Anna-Lena Groenefeld of Germany, who beat Yanina Wickmayer of Belgium 7-5, 6-4.