Sebastian Prieto defeated Walter Grinovero 6-1 6-0 in the Argentina 1 Masters 2 round of 32 on clay. The result followed the form book — Sebastian Prieto came in leading the head-to-head 1–0. Sebastian Prieto extended the head-to-head to 2–0.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 1992-08-10 | Argentina 2 Masters 3 | R32 | clay | Sebastian Prieto | 6-2 1-6 7-5 |
Averages over each player's completed matches in the selected window. ATP, WTA & Challenger.