March 22, 2014
The No. 3-seeded Wawrinka, who won the Australian Open in January, hit 33 winners and improved to 14-1 this year.
Al Bello/Getty Images

Serena Williams, Maria Sharapova and Rafael Nadal were among those scheduled to play later Saturday.

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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)