By surface
| Surface | Karel Novacek | Luiz Mattar |
|---|---|---|
| Clay | 3 | 0 |
All meetings (3)
| Date | Tour | Tournament | Round | Surface | Winner | Set 1 | Set 2 | Set 3 | Set 4 | Set 5 |
|---|---|---|---|---|---|---|---|---|---|---|
| 1994-10-31 | ATP | Montevideo | Round of 16 | Clay | Karel Novacek | 6-2 | 6-3 | |||
| 1990-05-28 | ATP | Roland Garros | Round of 64 | Clay | Karel Novacek | 5-7 | 6-3 | 6-2 | 6-1 | |
| 1990-04-23 | ATP | Monte Carlo Masters | Round of 64 | Clay | Karel Novacek | 6-4 | 6-1 |