By surface
| Surface | Karel Novacek | Horacio De La Pena |
|---|---|---|
| Clay | 2 | 4 |
All meetings (6)
| Date | Tour | Tournament | Round | Surface | Winner | Set 1 | Set 2 | Set 3 | Set 4 | Set 5 |
|---|---|---|---|---|---|---|---|---|---|---|
| 1992-03-30 | ATP | Estoril | Round of 16 | Clay | Horacio De La Pena | 6-73 | 2-6 | |||
| 1991-08-05 | ATP | Prague | Quarterfinal | Clay | Karel Novacek | 6-0 | 6-4 | |||
| 1990-07-30 | ATP | Kitzbuhel | Final | Clay | Horacio De La Pena | 4-6 | 6-7 | 6-2 | 2-6 | |
| 1989-07-10 | ATP | Gstaad | Round of 16 | Clay | Horacio De La Pena | 4-6 | 7-5 | 5-7 | ||
| 1987-07-24 | ATP | Davis Cup WG PO: TCH vs ARG | Round Robin | Clay | Karel Novacek | 6-4 | 7-5 | |||
| 1986-09-15 | ATP | Hamburg | Round of 64 | Clay | Horacio De La Pena | 6-7 | 4-6 |