WTA Tour Porsche Grand Prix Results

Updated: April 25, 2013, 3:21 PM ET
Associated Press

Thursday

At Porsche-Arena

Stuttgart, Germany

Purse: $795,707 (Premier)

Surface: Clay-Indoor

Singles

Second Round

Li Na (2), China, def. Mirjana Lucic-Baroni, Croatia, 6-1, 6-2.

Angelique Kerber (3), Germany, def. Anastasia Pavlyuchenkova, Russia, 6-0, 6-4.

Petra Kvitova (5), Czech Republic, def. Julia Goerges, Germany, 2-6, 7-6 (4), 6-2.

Ana Ivanovic, Serbia, def. Nadia Petrova (8), Russia, 6-4, 6-3.

Yaroslava Shvedova, Kazakhstan, def. Carla Suarez Navarro, Spain, 7-5, 6-4.

Maria Sharapova (1), Russia, def. Lucie Safarova, Czech Republic, 6-4, 6-7 (3), 6-3.

Doubles

Quarterfinals

Angelique Kerber and Andrea Petkovic, Germany, def. Anna-Lena Groenefeld, Germany, and Kveta Peschke, Czech Republic, 7-6 (8), 6-2.

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Copyright 2013 by The Associated Press

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