Head to head
2
Hard
1
1
Clay
2
1
Grass
2
1
Carpet
6
Arthur Ashe'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 (16)
| 1976 | WCT Challenge Cup | Hard | RR | Arthur Ashe | 3-6 6-2 6-3 7-5 |
| 1976 | Palm Springs | Hard | QF | Arthur Ashe | 7-6 4-6 6-4 |
| 1976 | WCT Aetna World Cup | Carpet | RR | Arthur Ashe | 6-3 6-4 |
| 1975 | WCT Aetna World Cup | Carpet | RR | John Newcombe | 6-7 6-4 6-2 |
| 1974 | US Open | Grass | QF | John Newcombe | 4-6 6-3 3-6 7-6 6-4 |
| 1974 | Tucson | Hard | F | John Newcombe | 6-3 7-6 |
| 1974 | WCT Aetna World Cup | Carpet | RR | John Newcombe | 6-2 5-7 6-4 |
| 1972 | Louisville WCT | Clay | SF | Arthur Ashe | 6-4 6-4 |
| 1972 | WCT Aetna World Cup | Carpet | RR | John Newcombe | 4-6 6-3 7-5 |
| 1971 | Hilton Head | Clay | SF | John Newcombe | 6-4 7-5 |
| 1971 | Dallas WCT | Carpet | F | John Newcombe | 7-6 6-4 |
| 1971 | WCT Aetna World Cup | Carpet | RR | John Newcombe | 6-4 3-6 6-3 |
| 1971 | Chicago WCT | Carpet | F | John Newcombe | 4-6 7-6 6-2 6-3 |
| 1970 | US Open | Grass | QF | John Newcombe | 6-1 7-6 5-7 7-6 |
| 1969 | Monte-Carlo | Clay | QF | John Newcombe | 8-6 6-3 |
| 1968 | Wimbledon | Grass | R16 | Arthur Ashe | 6-4 6-4 4-6 1-6 6-3 |
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.