Andres Molteni defeated Alejandro Kon 7-5 7-5 in the Argentina F7 round of 16 on clay. The upset overturned the form book — Alejandro Kon came in leading the head-to-head 5–3. Andres Molteni narrowed the head-to-head to 5–4.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2011-04-25 | Argentina F3 | QF | clay | Andres Molteni | 6-7(4) 6-0 6-1 |
| 2009-04-27 | Argentina F3 | SF | clay | Alejandro Kon | 6-3 0-6 6-4 |
| 2009-04-13 | Argentina F1 | R16 | clay | Andres Molteni | 6-4 3-6 7-6(4) |
| 2008-06-16 | Argentina F4 | R16 | clay | Alejandro Kon | 6-1 6-0 |
| 2007-10-08 | Argentina F18 | R16 | clay | Andres Molteni | 6-4 4-6 7-6(3) |
| 2006-07-03 | Venezuela F1B | R16 | hard | Alejandro Kon | 6-2 1-6 6-2 |
| 2006-05-22 | Argentina F8 | R32 | clay | Alejandro Kon | 6-4 6-2 |
| 2005-05-09 | Argentina F5 | R32 | clay | Alejandro Kon | 6-4 6-2 |
Averages over each player's completed matches in the selected window. ATP, WTA & Challenger.