Head to head
1
Hard
1
1
Carpet
0
Mark Cox's wins on the left · Guillermo Vilas's on the right · bar lengths share one scale
All meetings (3)
| 1977 | Memphis | Carpet | QF | Mark Cox | 6-1 6-1 |
| 1976 | Fort Worth WCT | Hard | R16 | Guillermo Vilas | 6-4 6-4 |
| 1974 | Palm Desert WCT | Hard | R16 | Mark Cox | 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.