Miguel Pastura defeated Mariano Delfino 6-3 7-6 in the Argentina F4 round of 16 on clay. The result followed the form book — Miguel Pastura came in leading the head-to-head 2–1. Miguel Pastura extended the head-to-head to 3–1.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 1999-11-08 | Argentina F5 | SF | clay | Mariano Delfino | 6-2 7-6 |
| 1998-10-19 | Argentina F4 | R32 | clay | Miguel Pastura | 7-6 6-4 |
| 1998-03-24 | Croatia 1 Masters 3 | R32 | clay | Miguel Pastura | 6-3 4-6 6-3 |
Averages over each player's completed matches in the selected window. ATP, WTA & Challenger.