Head to head
0
Hard
1
1
Clay
0
Mark Cox's wins on the left · Dennis Ralston's on the right · bar lengths share one scale
All meetings (2)
| 1971 | Charlotte | Clay | R16 | Mark Cox | 7-6 6-1 |
| 1970 | Tucson | Hard | QF | Dennis Ralston | 6-3 1-6 7-6 |
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.