Juan Martin Aranguren defeated Tomas Buchhass 6-3 3-6 6-0 in the Argentina F19 round of 32 on clay. The result followed the form book — Juan Martin Aranguren came in leading the head-to-head 2–0. Juan Martin Aranguren extended the head-to-head to 3–0.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2012-04-16 | Argentina F7 | R16 | clay | Juan Martin Aranguren | 6-1 6-2 |
| 2011-09-12 | Argentina F15 | QF | clay | Juan Martin Aranguren | 6-1 6-4 |