Catalina Castano advanced when Alina Jidkova retired 5-4 4-5 4-1 4-3 in the Naples FL 50K round of 16. Catalina Castano extended the head-to-head to 4–2.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2008-09-22 | Ashland KY 50K | R32 | hard | Alina Jidkova | 7-5 6-1 |
| 2005-08-29 | US Open | R128 | hard | Catalina Castano | 6-4 6-3 |
| 2005-02-21 | Acapulco | R16 | hard | Catalina Castano | 2-6 6-4 6-2 |
| 2004-04-05 | Amelia Island | Q16 | clay | Catalina Castano | 6-4 6-4 |
| 2000-10-09 | Miramer 25K | SF | clay | Alina Jidkova | 4-1 4-1 4-2 |
Averages over each player's completed matches in the selected window (80 vs 21). 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. About