Head to head
1
Hard
0
1
Clay
0
1
Grass
0
0
Carpet
1
Mark Cox's wins on the left · Pierre Barthes's on the right · bar lengths share one scale
All meetings (4)
| 1977 | Paris-2 | Hard | QF | Mark Cox | 7-5 6-2 |
| 1973 | Charlotte WCT | Clay | R32 | Mark Cox | 6-2 7-5 |
| 1973 | Vancouver WCT | Carpet | R16 | Pierre Barthes | 5-7 7-5 6-1 |
| 1970 | Newport-2 | Grass | RR | Mark Cox | 6-3 6-5 |
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.