Jaime Oncins defeated Tomas Carbonell 6-7 6-2 6-1 in the Sao Paulo round of 16 on clay. The result followed the form book — Jaime Oncins came in leading the head-to-head 1–0, defending last year's round of 32. Jaime Oncins extended the head-to-head to 2–0.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 1991-05-20 | Bologna | R32 | clay | Jaime Oncins | 7-6(4) 6-2 |
Averages over each player's completed matches in the selected window (10 vs 33). 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. About