BALI, Indonesia (AP) — Ana Ivanovic will play Anabel Medina Garrigues in Sunday's final of the WTA Tournament of Champions
Defending champion Ivanovic defeated Nadia Petrova of Russia 6-1, 7-5.
After racing through the first set, Ivanovic broke at 5-5 in the second and held to advance to the final.
Medina Garrigues defeated Sabine Lisicki 6-3, 4-6, 4-0 after Lisicki retired with a back injury.
Lisicki said she took pain killers before the match.