Alejandro Kon defeated Martin Alund 7-5 6-3 in the Argentina F17 round of 16 on clay. The upset overturned the form book — Martin Alund came in leading the head-to-head 3–0. Alejandro Kon claimed a first win over Martin Alund in four meetings, narrowing the head-to-head to 3–1.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2010-02-08 | Argentina F3 | R16 | clay | Martin Alund | 6-2 6-1 |
| 2007-04-30 | Argentina F2 | R16 | clay | Martin Alund | 6-1 6-2 |
| 2005-09-19 | Argentina F12 | R32 | clay | Martin Alund | 7-6(4) 6-0 |
Averages over each player's completed matches in the selected window. ATP, WTA & Challenger.