Head to head
1
Clay
0
Tom Okker's wins on the left · Allan McDonald's on the right · bar lengths share one scale
All meetings (1)
| 1969 | Hamburg | Clay | R32 | Tom Okker | 6-1 6-0 7-5 |
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.