Damian Patriarca defeated Martin Alund 7-5 6-3 in the Chile F2 semi-final on clay. The upset overturned the form book — Martin Alund came in leading the head-to-head 4–3. Damian Patriarca narrowed the head-to-head to 4–4.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2008-05-12 | Argentina F2 | F | clay | Martin Alund | 6-1 6-3 |
| 2007-06-18 | Argentina F9 | QF | clay | Damian Patriarca | 4-6 6-4 6-2 |
| 2006-05-08 | Argentina F6 | SF | clay | Damian Patriarca | 1-6 7-5 6-2 |
| 2004-11-22 | Argentina F7 | QF | clay | Damian Patriarca | 6-2 7-5 |
| 2004-09-13 | Argentina F6 | R16 | clay | Martin Alund | 6-0 6-1 |
| 2004-09-06 | Argentina F5 | R32 | clay | Martin Alund | 6-0 1-0 |
| 2004-03-08 | Chile 1 2 | R32 | clay | Martin Alund | 6-7(1) 6-4 4-1 |
Averages over each player's completed matches in the selected window. ATP, WTA & Challenger.