Head to head
2
Hard
2
0
Clay
2
1
Grass
2
2
Carpet
3
Stan Smith's wins on the left · John Newcombe's on the right · bar lengths share one scale
Momentum
Running lead across all meetings, oldest to newest (walkovers excluded).
All meetings (14)
| 1977 | Australian Open-2 | Grass | R16 | John Newcombe | 6-3 7-6 7-5 |
| 1977 | Maui | Hard | R32 | Stan Smith | 4-6 6-2 7-6 |
| 1974 | WCT Finals | Carpet | SF | John Newcombe | 6-1 3-6 7-6(3) 6-2 |
| 1974 | Tucson | Hard | SF | John Newcombe | 7-5 6-7 7-6 |
| 1974 | WCT Aetna World Cup | Carpet | RR | John Newcombe | 6-3 6-4 |
| 1974 | Carlsbad WCT | Hard | F | John Newcombe | 6-2 4-6 6-4 |
| 1974 | Long Island WCT | Carpet | F | Stan Smith | 6-4 3-6 6-3 |
| 1973 | Davis Cup WG F: USA vs AUS | Carpet | RR | John Newcombe | 6-1 3-6 6-3 3-6 6-4 |
| 1973 | WCT Aetna World Cup | Carpet | RR | Stan Smith | 7-6 6-7 7-5 |
| 1971 | Wimbledon | Grass | F | John Newcombe | 6-3 5-7 2-6 6-4 6-4 |
| 1971 | Queen's Club | Grass | F | Stan Smith | 8-6 6-3 |
| 1970 | WCT Aetna World Cup | Clay | RR | John Newcombe | 7-5 6-3 |
| 1970 | WCT Aetna World Cup | Clay | RR | John Newcombe | 6-3 6-3 |
| 1969 | Los Angeles-2 | Hard | R16 | Stan Smith | 3-6 8-6 6-2 |
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.