Head to head
1
Hard
0
0
Clay
2
2
Grass
1
1
Carpet
0
Mark Cox's wins on the left · Ion Tiriac's on the right · bar lengths share one scale
Momentum
Running lead across all meetings, oldest to newest (walkovers excluded).
All meetings (7)
| 1975 | Wimbledon | Grass | R128 | Mark Cox | 6-2 6-2 7-5 |
| 1974 | Bologna WCT | Carpet | SF | Mark Cox | 6-3 6-4 |
| 1973 | Indianapolis | Clay | R32 | Ion Tiriac | 6-3 6-3 |
| 1970 | Stockholm | Hard | R32 | Mark Cox | 6-3 10-12 6-3 |
| 1969 | Davis Cup EUR F: GBR vs ROU | Grass | RR | Ion Tiriac | 6-4 6-4 6-3 |
| 1969 | Wimbledon | Grass | R64 | Mark Cox | 2-6 10-8 9-7 12-10 |
| 1968 | Munich | Clay | SF | Ion Tiriac | 6-3 6-4 6-3 |
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.