Following are the results of the WTA Tour Championships at Singapore on Tuesday, according to Xinhua.
Women's singles
Round robin
Maria Sharapova, Russia, bt 1-Simona Halep, Romania, 6-4, 6-4
Flavia Pennetta, Italy, bt 5-Agnieszka Radwanska, Poland, 7-6 (5), 6-4
Women's doubles
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Chan Hao-Ching, Chinese Taipei/Chan Yung-Jan, Chinese Taipei, bt 2-Bethanie Mattek-Sands, United States/Lucie Safarova, Czech Republic, 6-2, 6-2
Garbine Muguruza, Spain/Carla Suarez Navarro, Spain, bt 5-Caroline Garcia, France/Katarina Srebotnik, Slovenia, 7-5, 6-2