Head to head
0
Hard
2
0
Clay
2
2
Carpet
4
Mark Cox'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 (10)
| 1972 | Rotterdam WCT | Carpet | 3rd/4th | Mark Cox | 6-3 6-4 |
| 1972 | Vancouver WCT | Carpet | SF | John Newcombe | 7-5 6-4 |
| 1972 | Las Vegas WCT | Hard | R32 | John Newcombe | 6-1 6-3 |
| 1972 | Denver WCT | Carpet | R32 | John Newcombe | 6-3 6-2 |
| 1971 | Dallas WCT | Carpet | QF | John Newcombe | 6-4 6-4 |
| 1970 | Midland | Carpet | QF | John Newcombe | 6-4 6-4 |
| 1970 | Casablanca | Clay | QF | John Newcombe | 6-4 6-8 6-1 6-3 |
| 1970 | Corpus Christi | Hard | QF | John Newcombe | 6-3 4-6 6-4 |
| 1969 | Bournemouth | Clay | QF | John Newcombe | 6-4 6-0 6-2 |
| 1969 | New York-1 | Carpet | R32 | Mark Cox | 6-2 8-10 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.