seeded Jarmila Gajdosova of Australia was upset by Johanna Larsson of Sweden 6-4, 6-2 in the opening round of the Gastein Ladies Tuesday. Defending champion Julia Goerges lost to Laura Pous-Tio of Spain 6-1, 2-6, 6-1. No. 3 Lucie Hradecka and No. 4 Iveta Benesova went out Monday, which left No. 8 Ksenia Pervak the only seeded player to reach the second round so far. The Russian beat Alize Cornet of France 7-6 (3), 6-2. No. 7-seeded Barbora Zahlavova Strycova of Czech Republic lost to Carla Suarez Navarro of Spain 7-6 (7), 6-2, and No. 5 Lourdes Dominguez Lino of Spain was beaten by wild card Patricia Mayr-Achleitner of Austria 6-0, 7-6 (5). Wild card upsets Davydenko in Stuttgart In Germany, local wild card Cedrik-Marcel Stebe celebrated his first victory on the ATP tour when he upset sixth-seeded Nikolay Davydenko of Russia 3-6, 6-1, 6-4 in the first round of the Mercedes Cup Tuesday. Two Spaniards, Juan Carlos Ferrero and Pablo Andujar, also advanced, along with Lukasz Kubot of Poland. Santiago Giraldo of Colombia upset second-seeded Jurgen Melzer of Austria 6-4, 7-5. Third-seeded Mikhail Youzhny of Russia, who captured his first career title in Stuttgart in 2002, eased past Germany's Philipp Petzschner 6-3, 6-3. Jeremy Chardy of France, who won the tournament in 2009, beat Germany's Tobias Kamke 7-6 (1), 6-1. Starace advances Eighth-seeded Potito Starace of Italy advanced to the second round of the Swedish Open by beating Germany's Julian Reister 7-6 (6), 6-3 Tuesday. Starace will face Jonathan Dasnieres De Veigy of France, who had to work hard to defeat Swedish wild card Andreas Vinciguerra 6-1, 1-6, 6-3. Spaniards Pere Riba and Guillermo Olaso also advanced, along with Michael Ryderstedt, who lost both singles matches in Sweden's Davis Cup quarterfinal loss to Serbia last weekend. Blaz Kavcic of Slovenia beat France's Julien Benneteau 6-4, 4-6, 7-5, while Argentina's Diego Junqueira ousted Igor Andreev of Russia 7-6 (3), 3-6, 6-4 to set up a second-round encounter with top-seeded Robin Soderling of Sweden. Sharapova, Li in Tokyo Wimbledon finalist Maria Sharapova, French Open champion Li Na and world No. 1 Caroline Wozniacki will headline this year's Pan Pacific Open, Tokyo organizers said Tuesday.