Tomas Buchhass defeated Juan Pablo Ortiz 7-5 6-3 in the Argentina F13 round of 16 on clay. The upset overturned the form book — Juan Pablo Ortiz came in leading the head-to-head 1–0. Tomas Buchhass claimed a first win over Juan Pablo Ortiz in two meetings, narrowing the head-to-head to 1–1.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2012-06-04 | Peru F3 | R16 | clay | Juan Pablo Ortiz | 6-2 6-0 |