Head to head
1
Clay
0
0
Grass
2
0
Carpet
2
Stan Smith's wins on the left · Tony Roche's on the right · bar lengths share one scale
All meetings (5)
| 1971 | Charlotte | Clay | SF | Stan Smith | 6-4 6-3 |
| 1970 | Philadelphia | Carpet | R16 | Tony Roche | 6-3 6-2 |
| 1970 | Melbourne | Grass | QF | Tony Roche | 3-6 16-14 6-1 8-10 6-4 |
| 1969 | Wembley | Carpet | QF | Tony Roche | 6-3 8-10 6-4 |
| 1968 | US Open | Grass | R64 | Tony Roche | 3-6 10-8 3-6 6-4 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.