Head to head
1
Hard
5
0
Clay
1
0
Carpet
1
Erik Van Dillen'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 (8)
| 1977 | Springfield | Carpet | R32 | Stan Smith | 6-4 6-4 |
| 1974 | Los Angeles | Hard | R64 | Erik Van Dillen | 6-3 2-6 6-2 |
| 1973 | Roland Garros | Clay | R32 | Stan Smith | 6-2 6-4 6-7 4-6 6-1 |
| 1972 | Sacramento | Hard | QF | Stan Smith | 7-6 7-5 |
| 1972 | San Juan | Hard | RR | Stan Smith | 6-3 7-6 |
| 1971 | San Juan | Hard | QF | Stan Smith | 6-3 6-7 6-3 |
| 1970 | Denver | Hard | RR | Stan Smith | 6-3 |
| 1968 | Berkeley | Hard | R16 | Stan Smith | 7-5 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.