Head to head
1
Hard
3
Jim McManus's wins on the left · Mark Cox's on the right · bar lengths share one scale
All meetings (4)
| 1969 | Omaha | Hard | R16 | Mark Cox | 6-4 6-4 |
| 1968 | San Juan | Hard | SF | Mark Cox | 3-6 7-5 7-5 |
| 1968 | Curacao | Hard | R16 | Mark Cox | 6-3 2-6 6-1 |
| 1968 | Macon | Hard | R16 | Jim McManus | 6-1 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.