Head to head
1
Clay
1
2
Carpet
0
Marty Riessen's wins on the left · Frank Froehling's on the right · bar lengths share one scale
All meetings (4)
| 1972 | Denver WCT | Carpet | R32 | Marty Riessen | 6-4 6-2 |
| 1972 | Richmond WCT | Carpet | R32 | Marty Riessen | 6-2 6-2 |
| 1971 | Washington WCT | Clay | R16 | Marty Riessen | 7-5 6-1 |
| 1971 | Roland Garros | Clay | R16 | Frank Froehling | 1-6 2-6 6-3 6-4 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.