Head to head
1
Hard
1
1
Clay
0
0
Carpet
1
Luiz Mattar's wins on the left · Danilo Marcelino's on the right · bar lengths share one scale
All meetings (4)
| 1992 | Sao Paulo | Hard | R16 | Luiz Mattar | 7-6(3) 7-6(4) |
| 1990 | Sao Paulo | Carpet | QF | Danilo Marcelino | 6-7 6-2 7-6 |
| 1989 | Forest Hills | Clay | R64 | Luiz Mattar | 7-6 7-5 |
| 1988 | Itaparica | Hard | R32 | Danilo Marcelino | 7-6 1-0 RET |
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.