Second seed Ksenia Pervak and third-seeded round losers Wednesday at the $220,000 Memphis International tennis event.

Italian Alberta Brianti erased Kazakhstan's Pervak 7-6 (7-3), 6-2, while Ukrainian Lesia Tsurenko came from behind to beat the Czech Hradecka 3-6, 6-4, 7-6 (7-3) on the indoor hardcourts at The Racquet Club of Memphis.

Another upset came when Swede Sofia Arvidsson took out fifth-seeded Frenchwoman Pauline Parmentier, 7-6 (7-5), 0-6, 6-3.

Arvidsson titled at this event in 2006 and was the runner-up in 2010. She'll meet Tsurenko in the quarterfinals.

France's Stephanie Foretz Gacon landed in the quarters by downing Italian qualifier Camila Giorgi 7-5, 6-4. Foretz Gacon will face Russian Vera Dushevina in the round of eight.

Thursday's other quarterfinals will pit fourth-seeded Marina Erakovic of New Zealand against Dutchwoman Michaella Krajicek and American Varvara Lepchenko versus Brianti.

The 2012 Memphis winner will collect $37,000.