Ana Ivanovic celebrated her 23rd birthday by outlasting Kimiko Date Krumm in a 7-5, 6-7 (5), 6-2 thriller to reach the Tournament of Champions final Saturday. Ivanovic and Alisa Kleybanova will play the year's last singles final on the WTA Tour after the Russian beat Daniela Hantuchova of Slovakia 6-3, 6-1. The 40-year-old Date Krumm had double set point at 5-3, but Ivanovic, once ranked No. 1 in the world, won six straight games to lead 7-5, 2-0. The Serb served for the match at 7-5, 5-3, but Date Krumm took charge, saving a match point in the 11th game of the second set and rallying from 4-2 down in the tiebreaker. read more: http://sports.espn.go.com/sports/tennis/news/story?id=5771485
