Caroline Wozniacki of Denmark and Lucie Safarova of the Czech Republic were semifinal winners Saturday and will meet for the title at the Sony Ericsson Open.
Wozniacki, the defending champion and world's top-ranked player, eased past German qualifier Mona Barthel, 6-1, 6-2, after Safarova had rallied for a 1-6, 6-4, 6-2 triumph over Croatia's Petra Martic in the opening match of the day.
The top-seeded Wozniacki needed just 62 minutes to polish off Barthel and will play in her seventh WTA final of 2011. She won in Dubai, Indian Wells, Charleston and Brussels, while losing in Doha and Stuttgart.
Wozniacki has not lost a set this week on the indoor hardcourt in her native country and will be gunning for her 17th career WTA crown.
Safarova, the fourth seed, has had to come back after dropping the opening set in each of her first four matches this week. She is 4-5 all-time in WTA finals, including a loss to Jelena Dokic in the title match of the Malaysian Open in March, and hasn't won a tournament since 2008 at Forest Hills.
The two have met just once previously, with Safarova taking a 6-4, 6-4 decision in the 2010 Stuttgart round of 16 on clay.
Sunday's winner will earn a first prize of $37,000.