Head to head
1
Hard
1
3
Grass
2
2
Carpet
2
Marty Riessen's wins on the left · Stan Smith's on the right · bar lengths share one scale
Momentum
Running lead across all meetings, oldest to newest (walkovers excluded).
All meetings (11)
| 1979 | Queen's Club | Grass | R32 | Marty Riessen | 6-3 6-4 |
| 1979 | Washington-1 | Carpet | R16 | Marty Riessen | 6-3 6-2 |
| 1975 | Toronto WCT | Carpet | SF | Stan Smith | 6-4 3-6 6-3 |
| 1974 | Chicago | Carpet | F | Stan Smith | 3-6 6-1 6-4 |
| 1972 | Stockholm | Hard | SF | Stan Smith | 6-4 3-6 6-2 |
| 1971 | US Open | Grass | QF | Stan Smith | 7-6 6-2 7-6 |
| 1971 | Queen's Club | Grass | QF | Stan Smith | 6-4 7-5 |
| 1970 | Paris | Carpet | SF | Marty Riessen | 6-3 6-7 7-6 6-4 |
| 1970 | Denver | Hard | RR | Marty Riessen | 6-5 |
| 1970 | Queen's Club | Grass | R16 | Marty Riessen | 10-8 6-2 |
| 1968 | Haverford | Grass | QF | Marty Riessen | 3-6 6-3 14-12 |
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.