Head to head
0
Hard
1
0
Clay
1
0
Grass
3
1
Carpet
1
Ray Ruffels'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 (7)
| 1971 | Wembley | Carpet | R32 | Ray Ruffels | 9-8 6-4 |
| 1971 | Queen's Club | Grass | R16 | Stan Smith | 6-3 6-4 |
| 1971 | Brussels | Clay | R16 | Stan Smith | 6-4 3-6 9-7 6-4 |
| 1970 | Columbus | Hard | QF | Stan Smith | 0-6 6-4 6-2 |
| 1970 | Queen's Club | Grass | R32 | Stan Smith | 6-4 6-4 |
| 1969 | Boston-2 | Grass | QF | Stan Smith | 3-6 6-3 6-2 3-6 12-10 |
| 1969 | Dallas | Carpet | QF | Stan Smith | 6-3 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.