Head to head
1
Hard
0
1
Clay
0
John Cooper's wins on the left · Hans Kary's on the right · bar lengths share one scale
All meetings (2)
| 1973 | Salt Lake City | Hard | R32 | John Cooper | 7-6 1-6 6-2 |
| 1972 | Hilversum | Clay | F | John Cooper | 6-1 3-6 12-10 3-6 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.