Venus Williams earns quarters
LUXEMBOURG -- Venus Williams, playing her first tournament since the U.S. Open, defeated ninth-seeded Mona Barthel 7-6 (4), 6-4 at the Luxembourg Open on Thursday despite six double-faults and four service breaks by her German opponent.
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Williams struggled with a back problem at the U.S. Open.
Top-seeded Roberta Vinci of Italy reached the quarterfinals, beating Anne Keothavong of Britain 6-4, 6-1. Andrea Petkovic of Germany, ranked 182nd, defeated third-seeded and former No. 1 Jelena Jankovic of Serbia 7-5, 6-0.
In another second-round match, Ksenia Pervak of Kazakhstan beat sixth-seeded Sorana Cirstea of Romania 7-6 (4), 6-1.
Copyright 2012 by The Associated Press