Duilio Beretta defeated Joaquin Jesus Monteferrario 7-6 6-4 in the Paraguay F1 round of 32 on clay. The result followed the form book — Duilio Beretta came in leading the head-to-head 2–1. Duilio Beretta extended the head-to-head to 3–1.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2013-05-20 | Argentina F7 | R16 | clay | Duilio Beretta | 6-1 7-5 |
| 2011-04-04 | Chile F2 | R32 | clay | Duilio Beretta | 6-2 6-2 |
| 2007-08-13 | Peru F3 | R32 | clay | Joaquin Jesus Monteferrario | 6-7(2) 6-0 6-2 |
Averages over each player's completed matches in the selected window. ATP, WTA & Challenger.