Head to head
2
Clay
2
1
Grass
0
2
Carpet
1
Tom Okker'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 (8)
| 1980 | Munich | Clay | R32 | Jan Kodes | 7-5 1-6 6-3 |
| 1978 | Davis Cup EUR PR: TCH vs NED | Clay | RR | Tom Okker | 4-6 9-7 0-6 6-3 6-4 |
| 1974 | Acapulco | Carpet | F | Tom Okker | 6-2 7-6 |
| 1973 | Cologne WCT | Carpet | R16 | Jan Kodes | 6-4 6-3 |
| 1971 | Wimbledon | Grass | R128 | Tom Okker | 6-3 6-3 6-3 |
| 1971 | Rome WCT | Clay | SF | Jan Kodes | 4-6 6-3 7-5 6-4 |
| 1970 | Hamburg | Clay | SF | Tom Okker | 6-2 6-0 6-4 |
| 1969 | Philadelphia | Carpet | QF | Tom Okker | 6-3 6-1 |
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.