Head to head
1
Hard
1
4
Clay
2
0
Grass
1
0
Carpet
1
Jan Kodes's wins on the left · Jaime Fillol Sr.'s on the right · bar lengths share one scale
Momentum
Running lead across all meetings, oldest to newest (walkovers excluded).
All meetings (10)
| 1978 | Madrid | Clay | R16 | Jaime Fillol Sr. | 6-4 2-6 6-3 |
| 1978 | Wimbledon | Grass | R128 | Jaime Fillol Sr. | 6-2 6-1 2-0 RET |
| 1975 | Madrid-2 | Clay | SF | Jan Kodes | 5-7 2-6 7-6 6-2 6-3 |
| 1975 | Dusseldorf-2 | Clay | F | Jaime Fillol Sr. | 6-4 1-6 6-0 7-5 |
| 1972 | Barcelona | Clay | R16 | Jan Kodes | 6-1 6-2 |
| 1971 | Sacramento | Hard | R16 | Jan Kodes | 2-6 6-3 6-2 |
| 1971 | Salisbury | Carpet | R32 | Jaime Fillol Sr. | 6-3 7-5 |
| 1969 | Buenos Aires | Clay | R16 | Jan Kodes | 4-6 8-6 7-5 6-4 |
| 1969 | San Juan | Hard | QF | Jaime Fillol Sr. | 3-6 6-4 6-3 |
| 1969 | Barranquilla | Clay | QF | Jan Kodes | 6-2 6-3 |
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.