Fourth-seeded Sorana Cirstea lost a tight three-set match, the lone upset on a 14-match, first-round card Tuesday at the Korea Open tennis tournament in Seoul. Cirstea fell 7-6 (7-3), 3-6, 6-3 to Anna-Lena Groenefeld in a match that took 2 hours, 19 minutes.

Seeded players Sorana Cirstea of Romania and Anastasia Pavlyuchenkova of Russia were among the first-round winners Monday in the first Swedish Open. Cirstea, the fifth seed, fought off Swedish wild card Johanna Larsson 4-6, 6-2, 7-5 on the clay courts of Bastad Tennis Stadium.

Maria Sharapova, continuing her comeback from shoulder surgery, advanced Friday to the semifinals of the $220,000 Aegon Classic tournament in England. Sharapova missed about nine months of play because of the shoulder injury. She came back just before the French Open and is 9-2 since returning.

Maria Sharapova recorded two wins Thursday and moved into the quarterfinals of the rain-delayed $220,000 Aegon Classic grass-court tennis tournament. Rain through the week caused backups but tournament officials were able to finish 12 second-round and all eight third-round matches Thursday. Sharapova was one of six players who won twice Thursday.

Ninth-seeded Agnieszka Radwanska was upset by her sister, Urszula Radwanska, in first-round play Monday at the $2 million Dubai Tennis Championships. Urszula Radwanska defeated her sister, who is ranked No. 10 in the world, 6-4, 6-3 in the first on-court meeting since Urszula turned pro.