Head to head
1
Clay
1
1
Grass
1
Marty Riessen's wins on the left · Bill Bowrey's on the right · bar lengths share one scale
All meetings (4)
| 1972 | Houston WCT | Clay | R16 | Bill Bowrey | 6-2 3-6 6-4 |
| 1970 | Sydney | Grass | R32 | Bill Bowrey | 7-5 8-6 6-3 |
| 1968 | Queen's Club | Grass | R32 | Marty Riessen | 6-0 5-7 8-6 |
| 1968 | Berlin | Clay | QF | Marty Riessen | 7-5 6-3 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.