Head to head
1
Hard
3
2
Clay
0
Jaime Yzaga's wins on the left · Luiz Mattar's on the right · bar lengths share one scale
Momentum
Running lead across all meetings, oldest to newest (walkovers excluded).
All meetings (6)
| 1992 | Sao Paulo | Hard | SF | Luiz Mattar | 7-6(4) 6-2 |
| 1992 | Tampa | Clay | R32 | Jaime Yzaga | 7-6(7) 6-7(2) 6-2 |
| 1991 | Auckland | Hard | R16 | Luiz Mattar | 6-2 6-2 |
| 1989 | Davis Cup G1 SF: PER vs BRA | Clay | RR | Jaime Yzaga | 6-2 6-0 6-4 |
| 1989 | Guaruja | Hard | SF | Luiz Mattar | 6-3 6-2 |
| 1987 | Sao Paulo | Hard | F | Jaime Yzaga | 6-2 4-6 6-2 |
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.