Dulko wins again at Estoril

ESTORIL, Portugal, May 3 (UPI) -- Unseeded Gisela Dulko of Argentina Thursday led the winners in the second round at the women's Estoril Open Tennis Tournament in Portugal.

The unseeded Dulko extended her match winning streak to seven in a row with a 6-3, 3-6, 6-1 victory against No. 9 seed Flavia Pennetta of Italy.

Elsewhere, second-seeded Italian Francesca Schiavone was beaten by unseeded Victoria Azarenka of Belarus 6-2, 6-2. Unseeded Sofia Arvidsson of Sweden knocked off No. 5 Olga Poutchkova of Russia 6-0, 1-0 when Poutchkova was forced to retire because of a viral illness.

Nuria Llagostera Vives topped Nika Ozegovic of Croatia, 6-3, 6-0, and Greta Arn of Germany beat Denmark's Caroline Wozniacki 6-2, 3-6, 6-3.

In the quarterfinals, No. 1 seed Marion Bartoli of France faces Spain's Llagostera Vives, third-seeded Lucie Safarova of the Czech Republic plays Lourdes Dominguez Lino of Spain, Arn goes against Arvidsson and Dulko plays Azarenka.