Head to head
2
Hard
0
1
Grass
0
2
Carpet
0
Mark Cox's wins on the left · Onny Parun's on the right · bar lengths share one scale
All meetings (5)
| 1979 | Stockholm | Hard | R64 | Mark Cox | 7-6 6-4 |
| 1974 | Denver WCT | Carpet | R16 | Mark Cox | 7-6(6) 6-2 |
| 1974 | London WCT | Carpet | R16 | Mark Cox | 6-1 6-4 |
| 1973 | Eastbourne | Grass | SF | Mark Cox | 9-8 4-6 6-4 |
| 1969 | Caracas | Hard | R32 | 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.