Head to head
0
Hard
1
1
Grass
0
0
Carpet
1
John Cooper's wins on the left · Ilie Nastase's on the right · bar lengths share one scale
All meetings (3)
| 1973 | Charleston | Carpet | R16 | Ilie Nastase | 6-3 6-4 |
| 1972 | Los Angeles-2 | Hard | R64 | Ilie Nastase | 6-2 7-5 |
| 1970 | Sydney | Grass | R16 | John Cooper | 6-3 6-3 5-7 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.