BELMONT, Mich. — Sandra Gal made six straight birdies on her back nine to take the first-round lead in the Meijer LPGA Classic, and Michelle Wie withdrew because of a wrist injury.

Gal, the 29-year-old German who won her lone LPGA Tour title in 2011, birdied Nos. 3-8 and finished with a par on No. 9 for a 6-under 65 at Blythefield Country Club.

Wie was 5 over after nine holes when she pulled out. She fought injuries to both wrists in 2007.

South Korea's Inbee Park was a stroke behind Gal.

TORONTO — Top-ranked Novak Djokovic was upset by 13th-seeded Jo-Wilfried Tsonga on Thursday in the Rogers Cup, falling 6-2, 6-2 in only 63 minutes in the third round.Djokovic came in with 11 straight wins over Tsonga but was nowhere near adding a 12th.Second-seeded Roger Federer avoided an upset, beating Marin Cilic 7-6 (5), 6-7 (3), 6-4 in the final match of the night.