February 02, 2017

ST. PETERSBURG, Russia (AP) Defending champion Roberta Vinci advanced to the quarterfinals at the St. Petersburg Ladies Trophy by beating Andrea Petkovic 6-4, 6-4 Thursday.

The sixth-seeded Italian was broken twice in the first set.

Vinci will next face either Australian Open finalist Venus Williams or Kristina Mladenovic.

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HOLE YARDS PAR R1 R2 R3 R4
OUT
HOLE YARDS PAR R1 R2 R3 R4
IN
Eagle (-2)
Birdie (-1)
Bogey (+1)
Double Bogey (+2)