Sebastian Prieto defeated Kentaro Masuda 6-4 4-6 6-4 in the Brazil 3 Masters 1 round of 32 on hard. The result followed the form book — Sebastian Prieto came in leading the head-to-head 2–0. Sebastian Prieto extended the head-to-head to 3–0.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 1997-05-03 | Chile 1 Masters 2 | R16 | clay | Sebastian Prieto | 3-6 6-3 6-2 |
| 1996-05-04 | Brazil 2 Masters 3 | QF | clay | Sebastian Prieto | 6-3 6-2 |
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