Head to head
1
Hard
0
0
Clay
1
1
Carpet
0
Jaime Oncins's wins on the left · Marcelo Filippini's on the right · bar lengths share one scale
All meetings (3)
| 1991 | Sao Paulo | Hard | R32 | Jaime Oncins | 7-5 6-2 |
| 1991 | Madrid | Clay | R16 | Marcelo Filippini | 6-2 3-6 7-6(1) |
| 1991 | Davis Cup G1 SF: BRA vs URU | Carpet | RR | Jaime Oncins | 6-4 6-4 6-7(2) 6-3 |
Methodology
Head-to-head totals and surface splits exclude walkovers (no match was played), which follows ATP convention — walkover meetings still appear in the match list. The momentum chart plots the running lead across all counted meetings, oldest to newest.