Head to head
1
Hard
4
0
Clay
2
0
Grass
1
1
Carpet
8
Roy Emerson'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 (18)
| 1973 | Alamo | Hard | SF | Roy Emerson | 5-7 6-2 6-1 |
| 1973 | WCT Aetna World Cup | Carpet | RR | Roy Emerson | 6-4 4-6 6-3 |
| 1972 | Essen WCT | Carpet | R16 | Arthur Ashe | 6-2 6-2 |
| 1972 | Alamo WCT | Hard | QF | Arthur Ashe | 6-4 3-6 6-4 |
| 1972 | Montreal WCT | Carpet | F | Arthur Ashe | 6-4 3-6 6-2 7-5 |
| 1972 | Louisville WCT | Clay | R32 | Arthur Ashe | W/O |
| 1972 | Quebec WCT | Carpet | QF | Arthur Ashe | 6-3 6-0 |
| 1972 | Chicago WCT | Carpet | R16 | Arthur Ashe | 6-3 6-7 6-1 |
| 1972 | Richmond WCT | Carpet | QF | Arthur Ashe | 7-5 6-2 |
| 1971 | Tehran WCT | Clay | QF | Arthur Ashe | 6-3 6-2 |
| 1971 | Rome WCT | Clay | QF | Arthur Ashe | 6-4 3-6 6-4 |
| 1971 | WCT Aetna World Cup | Carpet | RR | Arthur Ashe | 6-4 7-5 |
| 1970 | Stockholm | Hard | QF | Arthur Ashe | 6-4 6-8 6-4 |
| 1969 | Las Vegas | Hard | SF | Arthur Ashe | 8-6 6-1 6-3 |
| 1969 | New York-1 | Carpet | SF | Arthur Ashe | 7-5 5-7 6-4 |
| 1968 | Los Angeles-2 | Hard | QF | Arthur Ashe | 5-7 8-6 6-4 |
| 1968 | US Open | Grass | R16 | Arthur Ashe | 6-4 9-7 6-2 |
| 1968 | New York-1 | Carpet | F | Arthur Ashe | 6-4 6-4 7-5 |
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.