Head to head
0
Hard
1
0
Grass
2
0
Carpet
2
Richard Pancho Gonzales's wins on the left · Tom Okker's on the right · bar lengths share one scale
All meetings (5)
| 1973 | US Open | Grass | R128 | Tom Okker | 6-7 6-3 6-1 6-4 |
| 1970 | Atlanta | Hard | QF | Tom Okker | 6-1 2-6 6-3 |
| 1969 | Wembley | Carpet | QF | Tom Okker | 6-1 6-2 |
| 1969 | Japanese Championships | Carpet | RR | Tom Okker | 6-3 6-5 |
| 1968 | US Open | Grass | QF | Tom Okker | 14-16 6-3 10-8 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.