Mandy Minella of Luxembourg and Lourdes Dominguez Lino of Spain rallied from a set down against seeded players to reach the Grand Prix SAR quarterfinals Thursday.
Minella beat fourth-seeded Kaia Kanepi of Estonia 3-6, 6-4, 6-3, and Dominguez Lino defeated ninth-seeded Tsvetana Pironkova of Bulgaria 1-6, 6-4, 6-3 in a match that included seven breaks of serve for each player.
Kanepi had seven aces but double-faulted nine times, and Minella broke her three times.
In a late match, fifth-seeded defending champion Kiki Bertens of the Netherlands beat Italy’s Flavia Pennetta 7-6 (0), 4-6, 6-4.
Also, seventh-seeded Kristina Mladenovic of France advanced by beating Yulia Putintseva of Kazakhstan 6-3, 6-3, and Spain’s Silvia Soler-Espinosa thrashed Russia’s Olga Puchkova 6-0, 6-3.