Head to head
0
Hard
2
1
Clay
2
Andres Gomez's wins on the left · Luiz Mattar's on the right · bar lengths share one scale
All meetings (5)
| 1991 | New Haven | Hard | R64 | Luiz Mattar | 6-2 6-3 |
| 1990 | US Open | Hard | R128 | Luiz Mattar | 6-3 3-6 6-3 6-3 |
| 1990 | Stuttgart-2 | Clay | R32 | Andres Gomez | 7-5 6-4 |
| 1990 | Hamburg Masters | Clay | R32 | Luiz Mattar | 6-7 7-6 6-3 |
| 1987 | Davis Cup AME F: BRA vs ECU | Clay | RR | Luiz Mattar | 6-3 1-6 8-10 6-2 6-1 |
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.