BUDAPEST, Hungary (AP) -- Italians Roberta Vinci and Sara Errani -- the top two seeded players in the tournament -- reached the quarterfinals of the Budapest Grand Prix.
Vinci rallied past Timea Babos of Hungary 4-6, 7-5, 6-2. Errani defeated Stefanie Voegele of Switzerland 6-3, 6-1.
In Thursday's only other singles match, qualifier Estrella Cabeza Candela of Spain edged Eva Birnerova of the Czech Republic 7-6 (4), 6-3.
In Friday's quarterfinals, Vinci plays Zuzana Kucova of the Czech Republic, and Errani faces fifth-seeded Anabel Medina Garrigues of Spain.
Candela takes on seventh-seeded Irina-Camelia Begu of Romania, and third-seeded Klara Zakopalova of the Czech Republic meets Kateryna Bondarenko of Ukraine.