Head to head
1
Hard
0
3
Clay
0
1
Grass
0
3
Carpet
0
Tom Okker's wins on the left · Allan Stone's on the right · bar lengths share one scale
Momentum
Running lead across all meetings, oldest to newest (walkovers excluded).
All meetings (8)
| 1977 | Wimbledon | Grass | R32 | Tom Okker | 4-6 2-6 9-8 7-5 6-4 |
| 1976 | Philadelphia WCT | Carpet | R16 | Tom Okker | 6-4 6-4 |
| 1973 | Hilversum | Clay | SF | Tom Okker | 6-2 7-6 7-6 |
| 1972 | Chicago WCT | Carpet | R32 | Tom Okker | 7-6 7-6 |
| 1971 | Toronto WCT | Clay | R16 | Tom Okker | 6-4 6-1 |
| 1971 | Boston WCT | Hard | R16 | Tom Okker | 6-4 6-1 |
| 1971 | Monte-Carlo | Clay | R16 | Tom Okker | 6-2 6-2 6-3 |
| 1971 | Chicago WCT | Carpet | R32 | Tom Okker | 6-3 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.