NUREMBERG, Germany (AP) Home favorite Laura Siegemund was forced to withdraw during her second-round match at the Nuremberg Cup on Wednesday, while top-seeded Kiki Bertens and Yulia Putintseva both advanced.
The fourth-seeded Siegemund suffered a right knee injury with the score 5-5 in the second set against Barbora Krejcikova of the Czech Republic. Siegemund, who was assisted with a stretcher off the court, had won the opening set 6-4.
Germany’s Fed Cup captain Barbara Rittner said Siegemund had likely suffered ligament damage and that ”she won’t be able to play in Paris” for the French Open.
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Defending champion Bertens advanced to the quarterfinals by defeating Annika Beck of Germany 7-5, 6-2, and Putintseva, the No. 2, followed suit with a 6-4, 6-0 win over Yanina Wickmayer of Belgium.
Bertens next plays fifth-seeded Alison Riske of the United States, while Putintseva will face Sorana Cirstea of Romania.
Also Wednesday, Japan’s Misaki Doi defeated Oceane Dodin of France 3-6, 6-0, 6-3 to line up a quarterfinal against seventh-seeded Yaroslava Shvedova, who defeated Tatjana Maria of Germany, 6-2, 6-4.
Carina Witthoeft was the last German remaining in the tournament after a 6-1, 7-5 win over compatriot Julia Goerges. Witthoeft next plays Krejcikova.