Sebastian Prieto defeated Leonardo Olguin 4-6 6-3 7-6 in the Argentina B Masters 1 round of 16 on clay. The result followed the form book — Sebastian Prieto came in leading the head-to-head 2–1. Sebastian Prieto extended the head-to-head to 3–1.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 1996-09-28 | Argentina 3 Masters 2 | R32 | clay | Leonardo Olguin | 6-4 6-3 |
| 1994-07-16 | Argentina 2 Masters 1 | R32 | clay | Sebastian Prieto | 6-2 6-4 |
| 1992-08-10 | Argentina 2 Masters 4 | R32 | clay | Sebastian Prieto | 2-6 6-2 6-4 |
Averages over each player's completed matches in the selected window (13 vs 1). ATP, WTA & Challenger.
Each player's serve crossed against the other's return, converted to expected hold of serve. Recent completed matches, ATP, WTA & Challenger. Small sample — read as indicative. About