Head to head
0
Hard
1
0
Clay
1
0
Grass
1
2
Carpet
0
Geoff Masters's wins on the left · Marty Riessen's on the right · bar lengths share one scale
All meetings (5)
| 1980 | Dayton | Carpet | QF | Geoff Masters | 5-7 6-4 6-3 |
| 1975 | San Francisco | Carpet | R64 | Geoff Masters | 6-1 5-7 6-4 |
| 1974 | Boston | Clay | R16 | Marty Riessen | 6-4 6-4 |
| 1972 | Los Angeles-2 | Hard | R64 | Marty Riessen | 6-4 6-2 |
| 1972 | US Open | Grass | R128 | Marty Riessen | 6-1 6-7 6-3 6-2 |
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.