Kevin Konfederak defeated Patricio Heras 5-7 6-3 6-3 in the Argentina F18 qualifying round on clay. Kevin Konfederak extended the head-to-head to 2–1.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2011-10-10 | Argentina F19 | R16 | clay | Kevin Konfederak | 3-6 6-4 6-3 |
| 2010-05-03 | Argentina F5 | R32 | clay | Patricio Heras | 6-2 5-7 7-5 |
Averages over each player's completed matches in the selected window. ATP, WTA & Challenger.