Head to head
2
Clay
3
Sergio Casal's wins on the left · Karel Novacek's on the right · bar lengths share one scale
All meetings (5)
| 1989 | Hilversum | Clay | R16 | Karel Novacek | 6-3 3-6 6-3 |
| 1989 | Gstaad | Clay | R32 | Karel Novacek | 6-3 7-6 |
| 1989 | Rome | Clay | R64 | Karel Novacek | 6-1 6-2 |
| 1987 | Barcelona | Clay | R32 | Sergio Casal | 6-2 5-7 6-4 |
| 1986 | Roland Garros | Clay | R128 | Sergio Casal | 6-3 4-6 6-4 6-2 |
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.