Head to head
4
Hard
4
1
Clay
1
2
Grass
2
3
Carpet
6
Stan Smith's wins on the left · Arthur Ashe's on the right · bar lengths share one scale
Momentum
Running lead across all meetings, oldest to newest (walkovers excluded).
All meetings (23)
| 1979 | Denver | Carpet | R16 | Arthur Ashe | 6-4 4-6 6-4 |
| 1978 | Wembley | Carpet | QF | Arthur Ashe | 6-3 6-2 |
| 1978 | Denver | Carpet | SF | Stan Smith | 6-4 7-5 |
| 1976 | Maui | Hard | QF | Stan Smith | 6-4 6-4 |
| 1976 | Las Vegas | Hard | R16 | Arthur Ashe | 7-5 3-6 7-5 |
| 1976 | Rotterdam WCT | Carpet | QF | Arthur Ashe | 6-4 6-2 |
| 1976 | Rome WCT | Carpet | QF | Arthur Ashe | 5-7 6-4 6-4 |
| 1976 | Lagos WCT | Hard | R16 | Arthur Ashe | 6-4 7-5 |
| 1973 | World Invitational Tennis Classic | Carpet | SF | Stan Smith | 6-4 4-6 6-4 |
| 1973 | WCT Finals | Carpet | F | Stan Smith | 6-3 6-3 4-6 6-4 |
| 1972 | US Open | Grass | QF | Arthur Ashe | 7-6 6-4 7-5 |
| 1971 | Charlotte | Clay | F | Arthur Ashe | 6-3 6-3 |
| 1970 | Masters | Carpet | RR | Arthur Ashe | 3-6 6-3 6-5 |
| 1970 | Stockholm | Hard | F | Stan Smith | 5-7 6-4 6-4 |
| 1970 | Denver | Hard | RR | Arthur Ashe | 6-5 |
| 1970 | Indianapolis | Clay | SF | Stan Smith | 10-8 6-2 |
| 1970 | Richmond | Carpet | F | Arthur Ashe | 6-2 13-11 |
| 1969 | Denver | Hard | RR | Arthur Ashe | 6-5 |
| 1969 | South Orange | Grass | SF | Stan Smith | 6-3 3-6 6-1 |
| 1969 | Melbourne | Grass | F | Stan Smith | 14-12 6-8 6-3 8-6 |
| 1968 | Brisbane | Grass | F | Arthur Ashe | 6-4 1-6 9-7 4-6 7-5 |
| 1968 | Sacramento | Hard | SF | Stan Smith | 6-4 6-2 1-6 4-6 6-1 |
| 1968 | Salisbury | Hard | QF | Stan Smith | 7-5 8-6 |
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.