EASTBOURNE, England — Top-seeded Svetlana Kuznetsova was upset 6-2, 6-2 by Danish teenager Caroline Wozniacki in the second round of the Eastbourne International Women's Open.

The Wimbledon warmup event lost another top player when Amelie Mauresmo retired while leading Samantha Stosur 2-1. Second-seeded Marion Bartoli advanced, showing no sign of her recent wrist injury as she overwhelmed Sybille Bammer 6-3, 6-0.

Kuznetsova never looked comfortable in the windy conditions. Wozniacki, who won the Wimbledon junior event two years ago, broke her serve in the opening game. Kuznetsova broke right back and had three breakpoints at 2-1, but then lost the next nine points to trail 2-3.

Kuznetsova had three straight double-faults as Wozniacki broke again for 5-2. The 17-year-old Wozniacki took a 4-0 lead in the second set.

"It was pretty disgusting being out there," Kuznetsova said. "I wish I could play better but the first match on grass I think is very hard. She had much more of an advantage because she was used to it. It was a weird situation and definitely not nice to be out there at all."

Kuznetsova enters Wimbledon next week having played just one grass-court match.

"At least I've played some and I have a few days to practice," she said. "I'm very disappointed because I hoped to play a few more matches, but this is tennis and it can happen."