Catalina Castano defeated Kelly Liggan 6-3 6-3 in the San Luis Potosi 25K semi-final on clay. Catalina Castano extended the head-to-head to 2–1.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2007-10-06 | Bangkok | Q32 | hard | Kelly Liggan | 4-6 7-6(5) 6-3 |
| 2001-09-24 | Albuqerque 75K | R32 | hard | Catalina Castano | 3-6 7-5 6-2 |
Averages over each player's completed matches in the selected window (80 vs 1). ATP, WTA & Challenger.
Each player's serve crossed against the other's return, converted to expected hold of serve. Recent completed matches, ATP, WTA & Challenger. Small sample — read as indicative. About