Head to head
2
Clay
8
Nicola Spear's wins on the left · Jan Kodes's on the right · bar lengths share one scale
Momentum
Running lead across all meetings, oldest to newest (walkovers excluded).
All meetings (11)
| 1977 | Madrid | Clay | R64 | Jan Kodes | 6-4 2-6 6-4 |
| 1975 | Hamburg | Clay | R16 | Jan Kodes | 6-1 6-2 |
| 1974 | Barcelona-2 | Clay | R64 | Jan Kodes | 6-2 7-5 |
| 1974 | Madrid | Clay | R64 | Jan Kodes | 6-3 6-4 |
| 1973 | Prague | Carpet | R32 | Jan Kodes | W/O |
| 1973 | Madrid-2 | Clay | R64 | Nicola Spear | 6-3 6-3 |
| 1972 | Barcelona | Clay | R64 | Jan Kodes | 6-0 6-2 |
| 1970 | Charlotte | Clay | R16 | Jan Kodes | 3-6 6-4 6-0 |
| 1970 | Barranquilla | Clay | SF | Nicola Spear | 6-4 10-8 3-6 5-5 RET |
| 1969 | Charlotte | Clay | R16 | Jan Kodes | 7-5 6-1 |
| 1969 | Barranquilla | Clay | R16 | Jan Kodes | 7-5 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.