Horacio Zeballos advanced when Juan Pablo Amado retired 1-2 in the Argentina F6 round of 32. Horacio Zeballos extended the head-to-head to 4–0.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2006-05-22 | Argentina F8 | SF | clay | Horacio Zeballos | 6-3 6-4 |
| 2006-05-01 | Argentina F5 | R16 | clay | Horacio Zeballos | 6-2 6-1 |
| 2005-04-25 | Argentina F3 | R16 | clay | Horacio Zeballos | 7-6(6) 6-2 |
Averages over each player's completed matches in the selected window. ATP, WTA & Challenger.