Head to head
2
Clay
0
3
Carpet
0
Marty Riessen's wins on the left · Ray Ruffels's on the right · bar lengths share one scale
All meetings (5)
| 1972 | Houston WCT | Clay | R32 | Marty Riessen | 6-4 6-1 |
| 1972 | Toronto WCT | Carpet | R32 | Marty Riessen | 6-4 7-6 |
| 1972 | Philadelphia WCT | Carpet | R32 | Marty Riessen | 6-4 6-2 |
| 1971 | Washington WCT | Clay | R32 | Marty Riessen | 4-6 6-1 6-3 |
| 1969 | New York-1 | Carpet | R32 | Marty Riessen | 6-2 6-1 |
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.