Maria Sharapova reached the semifinals of the WTA Finals and sent Flavia Pennetta, this year’s United States Open champion, into retirement with a 7-5, 6-1 win on Thursday in Singapore. Agnieszka Radwanska also reached the semifinals by beating Simona Halep, 7-6 (5), 6-1.
u25a0 Roger Federer needed three sets to beat Philipp Kohlschreiber, 6-4, 4-6, 6-4, in the second round of the Swiss Indoors in Basel.