Head to head
1
Hard
2
Alberto Mancini's wins on the left · Jaime Oncins's on the right · bar lengths share one scale
All meetings (3)
| 1992 | Sao Paulo | Hard | SF | Jaime Oncins | 6-3 6-3 |
| 1992 | Basel | Hard | R32 | Jaime Oncins | 6-0 1-0 RET |
| 1988 | Itaparica | Hard | R32 | Alberto Mancini | 6-1 6-7 6-0 |
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.