Head to head
1
Hard
0
1
Clay
0
Tom Okker's wins on the left · Paul Kronk's on the right · bar lengths share one scale
All meetings (2)
| 1976 | Basel | Hard | QF | Tom Okker | 7-5 7-5 |
| 1974 | Toronto-2 | Clay | R64 | Tom Okker | 6-3 2-6 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.