LUXEMBOURG, Oct. 19 (UPI) -- Venus Williams upset No. 1 seed Roberta Vinci Friday to advance to the semifinals at the BGL BNP Paribas Luxembourg Open tennis tournament.
Williams beat Vinci 7-6 (7-2), 6-4 to set up a match with Andrea Petkovic in Saturday's semifinals. Petkovic defeated Ksenia Pervak 6-3, 6-2 Friday.
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