Head to head
1
Hard
0
1
Clay
0
1
Carpet
0
Tom Okker's wins on the left · Terry Ryan's on the right · bar lengths share one scale
All meetings (3)
| 1971 | Vancouver WCT | Carpet | R16 | Tom Okker | 6-3 6-4 |
| 1971 | Washington WCT | Clay | R64 | Tom Okker | 7-5 6-3 |
| 1968 | Johannesburg-1 | Hard | R64 | Tom Okker | 6-0 4-6 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.