Head to head
2
Hard
0
2
Clay
0
0
Grass
1
2
Carpet
0
Brian Gottfried's wins on the left · Marty Riessen's on the right · bar lengths share one scale
Momentum
Running lead across all meetings, oldest to newest (walkovers excluded).
All meetings (7)
| 1980 | Houston WCT | Clay | QF | Brian Gottfried | 6-1 6-2 |
| 1979 | US Open | Hard | R64 | Brian Gottfried | 6-3 5-7 7-5 5-7 6-4 |
| 1978 | Philadelphia WCT | Carpet | R32 | Brian Gottfried | 6-3 6-4 |
| 1977 | San Francisco | Carpet | QF | Brian Gottfried | 6-1 6-3 |
| 1977 | US Open | Clay | R64 | Brian Gottfried | 7-5 2-6 6-3 |
| 1977 | Carlsbad | Hard | F | Brian Gottfried | 6-3 6-2 |
| 1971 | US Open | Grass | R128 | Marty Riessen | 6-7 6-2 6-4 2-6 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.