Alejandro Kon defeated Andrea Collarini 6-3 6-3 in the Argentina F18 round of 32 on clay. Alejandro Kon extended the head-to-head to 2–1.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2009-11-02 | Argentina F22 FUTURES | R16 | clay | Alejandro Kon | 6-1 6-3 |
| 2009-10-19 | Argentina F20 | SF | clay | Andrea Collarini | 7-6(1) 6-2 |
Averages over each player's completed matches in the selected window. ATP, WTA & Challenger.