Head to head
1
Hard
3
1
Clay
3
Jaime Fillol Sr.'s wins on the left · Tom Okker's on the right · bar lengths share one scale
Momentum
Running lead across all meetings, oldest to newest (walkovers excluded).
All meetings (8)
| 1978 | Toronto | Clay | R32 | Tom Okker | 4-6 7-6 6-3 |
| 1976 | Paris | Hard | QF | Jaime Fillol Sr. | 6-4 6-3 |
| 1975 | Paris | Hard | QF | Tom Okker | 6-1 6-4 |
| 1974 | Stockholm | Hard | R16 | Tom Okker | 7-6 6-1 |
| 1974 | Barcelona-2 | Clay | R16 | Jaime Fillol Sr. | 6-1 6-3 |
| 1973 | Johannesburg-2 | Hard | QF | Tom Okker | 7-5 6-2 6-7 6-3 |
| 1973 | Madrid-2 | Clay | F | Tom Okker | 4-6 6-3 6-3 7-5 |
| 1973 | Washington-3 | Clay | SF | Tom Okker | 6-1 6-4 |
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.