Juan Vazquez Valenzuela defeated Nicolas Pastor 6-4 6-3 in the Argentina F11 qualifying round on clay. The upset overturned the form book — Nicolas Pastor came in leading the head-to-head 1–0. Juan Vazquez Valenzuela claimed a first win over Nicolas Pastor in two meetings, narrowing the head-to-head to 1–1.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2009-05-25 | Argentina F7 | R32 | clay | Nicolas Pastor | 2-6 7-6(3) 7-6(4) |