Head to head
1
Hard
1
4
Clay
1
0
Carpet
1
Tom Okker's wins on the left · Andres Gimeno's on the right · bar lengths share one scale
Momentum
Running lead across all meetings, oldest to newest (walkovers excluded).
All meetings (9)
| 1973 | Hilversum | Clay | F | Tom Okker | 2-6 6-4 6-4 6-7 6-3 |
| 1971 | Toronto WCT | Clay | SF | Tom Okker | 6-2 7-6 |
| 1971 | Louisville WCT | Clay | R16 | Tom Okker | 6-2 6-4 |
| 1971 | Tehran WCT | Clay | R16 | Andres Gimeno | W/O |
| 1971 | Miami WCT | Hard | R16 | Tom Okker | 6-7 6-4 6-4 |
| 1970 | Hollywood | Clay | QF | Andres Gimeno | 3-6 6-4 6-0 |
| 1969 | Cologne | Hard | QF | Andres Gimeno | 10-8 6-2 |
| 1969 | Chicago | Carpet | R16 | Andres Gimeno | 7-5 4-6 6-2 |
| 1969 | Amsterdam | Clay | F | Tom Okker | 6-4 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.