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STUTTGART, Germany — Simona Halep of Romania and Caroline Wozniacki of Denmark will meet in the semifinals of the Porsche Grand Prix after winning their respective quarterfinals on Friday.
The second-seeded Halep needed 81 minutes to defeat Sara Errani of Italy 6-4, 6-4, while the fourth-seeded Wozniacki had little trouble in defeating Carla Suarez Navarro of Spain 6-0, 6-3.
Irrespective of the result in Saturday's semifinal, Halep will move up to No. 2 when the world rankings are updated Monday following Maria Sharapova's loss to Angelique Kerber of Germany on Thursday.
Kerber was to play Ekaterina Makarova of Russia for a place in the other semifinal, with Madison Brengle of the United States playing Caroline Garcia of France in the last quarterfinal.