Head to head
1
Hard
1
2
Clay
0
Luiz Mattar's wins on the left · David Wheaton's on the right · bar lengths share one scale
All meetings (4)
| 1993 | Indianapolis | Hard | R32 | Luiz Mattar | 7-6(7) 2-6 6-2 |
| 1992 | Charlotte | Clay | R16 | Luiz Mattar | 6-7(4) 6-2 6-4 |
| 1990 | Rome Masters | Clay | R64 | Luiz Mattar | 6-2 6-3 |
| 1989 | US Open | Hard | R128 | David Wheaton | 6-4 7-6 7-5 |
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.