Head to head
1
Hard
0
1
Grass
0
1
Carpet
0
Mark Cox's wins on the left · Jim Osborne's on the right · bar lengths share one scale
All meetings (3)
| 1971 | South Orange | Grass | R64 | Mark Cox | 7-6 6-7 7-6 |
| 1969 | Macon | Carpet | SF | Mark Cox | 9-7 1-6 6-3 |
| 1968 | Kingston | Hard | QF | Mark Cox | 6-3 6-1 |
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.