Head to head
0
Hard
1
1
Clay
0
0
Grass
1
2
Carpet
1
Mark Cox's wins on the left · Roy Emerson's on the right · bar lengths share one scale
Momentum
Running lead across all meetings, oldest to newest (walkovers excluded).
All meetings (6)
| 1972 | Gothenburg WCT | Carpet | SF | Roy Emerson | 6-1 6-3 |
| 1972 | Macon WCT | Carpet | F | Mark Cox | 6-3 6-7 6-3 |
| 1971 | Dallas WCT | Carpet | R32 | Mark Cox | 4-6 7-6 7-6 |
| 1970 | Newport-2 | Grass | RR | Roy Emerson | 3-6 6-0 1-0(4) |
| 1970 | Boston | Hard | R16 | Roy Emerson | 6-1 6-2 |
| 1968 | Bournemouth | Clay | QF | Mark Cox | 6-0 6-1 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.