Head to head
4
Hard
0
1
Clay
0
1
Carpet
0
Stan Smith's wins on the left · Roy Barth's on the right · bar lengths share one scale
Momentum
Running lead across all meetings, oldest to newest (walkovers excluded).
All meetings (6)
| 1974 | Las Vegas | Hard | R32 | Stan Smith | 7-5 6-2 |
| 1973 | Philadelphia WCT | Carpet | R32 | Stan Smith | 6-2 6-4 |
| 1971 | Rome WCT | Clay | R32 | Stan Smith | 3-6 6-3 6-1 |
| 1970 | Berkeley | Hard | R16 | Stan Smith | 6-3 6-3 |
| 1969 | Las Vegas | Hard | R32 | Stan Smith | 7-5 6-3 |
| 1968 | La Jolla | Hard | F | Stan Smith | 6-1 9-7 |
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.