(AP Photo/Joseph Nair)
SINGAPORE (AP) Serena Williams made the semifinals of the WTA Finals and earned the year-end No. 1 ranking without hitting a ball on Friday.
Williams' fortune was at the expense of Ana Ivanovic and Maria Sharapova. Ivanovic had a shot at reaching the semis, and Sharapova had a slimmer chance at the top ranking. Both won dramatic three-setters, but they needed to win in two, and were eliminated.
By the end of the final day of group games, Saturday's semifinals were set: Williams will meet Caroline Wozniacki, and Simona Halep will take on Agnieszka Radwanska.