Head to head
0
Hard
1
0
Clay
2
2
Carpet
2
Ray Ruffels's wins on the left · Mark Cox's on the right · bar lengths share one scale
Momentum
Running lead across all meetings, oldest to newest (walkovers excluded).
All meetings (7)
| 1972 | Cleveland WCT | Carpet | F | Mark Cox | 6-3 4-6 4-6 6-3 6-4 |
| 1972 | Louisville WCT | Clay | R32 | Mark Cox | 7-5 6-1 |
| 1972 | Quebec WCT | Carpet | R32 | Mark Cox | 3-6 6-3 6-4 |
| 1971 | Wembley | Carpet | R16 | Ray Ruffels | 9-8 3-6 7-5 |
| 1971 | Quebec WCT | Carpet | R32 | Ray Ruffels | 7-6 4-6 6-2 |
| 1971 | Tehran WCT | Clay | R32 | Mark Cox | 6-1 6-2 |
| 1970 | Stockholm | Hard | R16 | Mark Cox | 3-6 10-8 6-4 |
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.