Facundo Bagnis defeated Alejandro Kon 2-6 6-3 6-4 in the Argentina F2 qualifying round on clay. The upset overturned the form book — Alejandro Kon came in leading the head-to-head 3–0. Facundo Bagnis claimed a first win over Alejandro Kon in four meetings, narrowing the head-to-head to 3–1.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2008-11-10 | Peru F5 | R32 | clay | Alejandro Kon | 6-2 6-4 |
| 2008-05-19 | Argentina F3 | QF | clay | Alejandro Kon | 7-5 1-6 7-5 |
| 2007-07-30 | Peru F1 | R16 | clay | Alejandro Kon | 7-5 6-2 |
Averages over each player's completed matches in the selected window. ATP, WTA & Challenger.