MONTREAL - Victoria Azarenka and Marion Bartoli each won in two sets to become the first players to reach the quarter-finals at the US$2 milion Rogers Cup on Thursday.

Azarenka, the 10th seed from Belarus, downed ninth-seeded Li Na of China 6-3, 6-3.

Bartoli, seeded 17th from France, ousted Czech qualifier Iveta Benesova 6-0, 6-1. Benesova was coming off an upset win over top-seeded Jelena Jankovic.

Azarenka and Bartoli will face one another in the quarter-finals on Friday.