ESTORIL, Portugal, May 5 (UPI) -- No. 2-seeded Sorana Cirstea overcame five service breaks in taking a straight-set second-round win Wednesday at the $220,000 Estoril Open in Portugal.
Cirstea, coming off a lengthy three-set win Tuesday, edged home-crowd favorite Michelle Larcher de Brito 7-5, 7-5. The 24-game match featured a total of 12 service breaks.
Larcher de Brito handicapped herself with nine double faults. She also had nine in her first-round match.
Cirstea's quarterfinal opponent will be qualifier Arantxa Rus, who defeated Kirsten Flipkens 7-6 (7-4), 6-1.
Fourth-seeded Anabel Medina Garrigues lost serve just once in a 6-2, 6-3 win over Ekaterina Makarova that put Medina Garrigues in the quarters against No. 7-seeded Shuai Peng, who routed Tatjana Malek 6-2, 6-1 Wednesday.
Arantxa Parra Santonja rallied for a 3-6, 7-5, 6-2 win over Julia Georges while Jarmila Groth also came from behind -- 2-6, 6-1, 7-5 -- in her victory over Kristina Barrois. Groth and Parra Santonja will meet in the quarterfinals.
The fourth quarterfinal pairs Anastasia Rodionova against Anastasija Sevastova. Rodionova topped Stefanie Voegele 6-4, 2-6, 6-3. Sevastova was ahead 6-1, 4-2 when Kimiko Date Krumm suffered a right calf strain and retired.