Head to head
1
Hard
0
3
Clay
0
1
Grass
0
5
Carpet
2
Arthur Ashe's wins on the left · Mark Cox's on the right · bar lengths share one scale
Momentum
Running lead across all meetings, oldest to newest (walkovers excluded).
All meetings (12)
| 1975 | WCT Finals | Carpet | QF | Arthur Ashe | 1-6 6-4 6-4 7-6(4) |
| 1974 | Denver WCT | Carpet | SF | Arthur Ashe | 7-6(6) 6-4 |
| 1974 | Bologna WCT | Carpet | F | Arthur Ashe | 6-4 7-5 |
| 1973 | Denver WCT | Carpet | F | Mark Cox | 6-1 6-1 |
| 1973 | Charlotte WCT | Clay | SF | Arthur Ashe | 6-3 6-2 |
| 1973 | Washington WCT | Carpet | QF | Arthur Ashe | 6-2 6-1 |
| 1972 | Rotterdam WCT | Carpet | SF | Arthur Ashe | 6-3 2-6 7-5 |
| 1972 | Boston WCT | Hard | R32 | Arthur Ashe | 6-4 6-4 |
| 1972 | Louisville WCT | Clay | F | Arthur Ashe | 6-4 6-4 |
| 1971 | Cologne WCT | Carpet | R16 | Mark Cox | 6-0 6-3 |
| 1971 | US Open | Grass | R32 | Arthur Ashe | 7-5 6-2 6-2 |
| 1971 | Tehran WCT | Clay | R16 | Arthur Ashe | 7-6 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.