Head to head
0
Hard
1
1
Clay
1
1
Carpet
0
Dennis Ralston's wins on the left · Marty Riessen's on the right · bar lengths share one scale
All meetings (4)
| 1973 | Los Angeles | Hard | R64 | Marty Riessen | 6-2 7-5 |
| 1971 | Toronto WCT | Clay | R16 | Marty Riessen | 6-1 6-2 |
| 1971 | Louisville WCT | Clay | R16 | Dennis Ralston | 6-4 6-3 |
| 1969 | Japanese Championships | Carpet | RR | Dennis Ralston | 5-6 6-5 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.