Catalina Castano defeated Giulia Casoni 2-6 6-1 6-1 in the Grado 25K qualifying round on clay. Catalina Castano extended the head-to-head to 2–1.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2003-06-16 | Gorizia 25K | R32 | clay | Catalina Castano | 7-5 6-4 |
| 2000-05-29 | Roland Garros | Q64 | clay | Giulia Casoni | 6-7(6) 6-1 6-3 |
Averages over each player's completed matches in the selected window. ATP, WTA & Challenger.