Nicolas Pastor defeated Juan Martin Aranguren 6-3 7-5 in the Argentina F4 round of 32 on clay. The result followed the form book — Nicolas Pastor came in leading the head-to-head 1–0. Nicolas Pastor extended the head-to-head to 2–0.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2012-03-05 | Argentina F2 | F | clay | Nicolas Pastor | 1-6 6-2 7-6(2) |