Head to head
1
Hard
3
1
Clay
1
0
Carpet
3
Cliff Drysdale'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 (9)
| 1977 | Los Angeles-2 | Hard | R16 | Cliff Drysdale | 0-6 7-6 6-3 |
| 1977 | Las Vegas | Hard | R16 | Stan Smith | 6-7 7-5 6-0 |
| 1974 | Tucson | Hard | QF | Stan Smith | 2-6 7-5 6-3 |
| 1973 | Munich WCT | Carpet | R32 | Stan Smith | 6-4 6-3 |
| 1973 | St. Louis WCT | Carpet | SF | Stan Smith | 6-3 6-3 |
| 1971 | Washington WCT | Clay | QF | Stan Smith | 0-6 7-6 6-1 |
| 1971 | Brussels | Clay | QF | Cliff Drysdale | 6-4 6-3 7-5 |
| 1970 | Stockholm | Hard | R16 | Stan Smith | 6-3 6-3 |
| 1969 | Wembley | Carpet | R32 | Stan Smith | 3-6 6-3 6-4 |
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.