Patricio Heras defeated Joaquin Jesus Monteferrario 6-3 6-1 in the Argentina F12 qualifying round on clay. The result followed the form book — Patricio Heras came in leading the head-to-head 2–0. Patricio Heras extended the head-to-head to 3–0.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2012-02-27 | Argentina F1 | R16 | clay | Patricio Heras | 6-2 6-2 |
| 2010-06-14 | Argentina F9 | QF | clay | Patricio Heras | 6-3 7-5 |
Averages over each player's completed matches in the selected window. ATP, WTA & Challenger.