Four players from Germany have reached the final of the Porsche Tennis Grand Prix in Stuttgart. Today, in second round play, wild card Kristina Barrois upset 8th seed Marion Bartoli, defeating her 6-4, 6-2. Another wild card, Sabine Lisicki, upset 6th seed Li Na, and Andrea Petkovic defeated 7th seed (and former Stuttgart champion) Jelena Jankovic 3-6, 6-1, 6-3. Petkovic needed five match points to make it to the quarterfinals, but she hung in and prevailed.
Also today, 4th seed Victoria Azarenka retired against Julia Goerges. Azarenka won the first set 6-4, then had to stop playing because of a right shoulder injury.
Kristina Barrois was not content to advance just in singles She and partner Jasmin Woehr took out top seeds Liezel Huber and Maria Jose Martinez Sanchez in straight sets in the doubles quarterfinals.
Barrois's next opponent will be Agnieszka Radwanska, who defeated 3rd seed Francesca Schiavone. Lisicki and Goerges will play one another, and Petkovic will face top seed Caroline Wozniacki. The other quarterfinal will be played between 5th seed Sam Stosur and 2nd seed Vera Zvonareva.