Top-seeded Amelie Mauresmo eliminated defending champion Ai Sugiyama, 6-2, 6-4, in the quarterfinals of the Generali Ladies Open.
Mauresmo, briefly ranked No. 1 this season, improved to 7-0 against Sugiyama. The Frenchwoman now meets Jelena Jankovic, who beat Vera Zvonareva, 6-4, 6-4. The other semifinal will be Elena Bovina against Nadia Petrova.