(CNN) -- Eighteen-year-old Caroline Wozniacki of Denmark and Germany's Sabine Lisicki, 19, stage a teenage showdown in the final on the Charleston tournament in South Carolina.
Danish teenager Caroline Wozniacki is on course for back-to-back claycourt titles in South Carolina.
Wozniacki stayed on course for back-to-back claycourt titles when she shocked Russian top seed Elena Dementieva on Saturday with a 6-4 5-7 7-5 victory.
World number 12 Wozniacki, who won the Ponte Vedra Beach title in Florida last weekend, came out on top after a three-hour battle with world number five Dementieva.
But could have saved herself a punishing final sesion had she converted one of the three match points on offer in the second set when she was leading 5-3.
Sixteenth seed Sabine Lisicki, who who eclipsed Venus Williams in the third round, had a much easier time in her semifinal.
Lisicki defeated French sixth seed Marion Bartoli 6-3 6-1, taking nine of the last 10 games to clinch her place in Sunday's final.