By surface
| Surface | John Alexander | Christian Kuhnke |
|---|---|---|
| Clay | 1 | 1 |
All meetings (2)
| Date | Tour | Tournament | Round | Surface | Winner | Set 1 | Set 2 | Set 3 | Set 4 | Set 5 |
|---|---|---|---|---|---|---|---|---|---|---|
| 1974-08-05 | ATP | Bretton Woods | Round of 32 | Clay | John Alexander | 6-2 | 6-1 | |||
| 1970-08-03 | ATP | Munich | Quarterfinal | Clay | Christian Kuhnke | 9-7 | 6-3 | 3-6 | 2-6 | 1-6 |