Alexandre Bonatto defeated Alejandro Kon 7-5 7-5 in the Argentina F8 round of 32 on clay. The upset overturned the form book — Alejandro Kon came in leading the head-to-head 1–0. Alexandre Bonatto claimed a first win over Alejandro Kon in two meetings, narrowing the head-to-head to 1–1.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2009-04-27 | Argentina F3 | F | clay | Alejandro Kon | 2-6 6-4 7-5 |