By surface
| Surface | John Alexander | Karl Meiler |
|---|---|---|
| Clay | 2 | 0 |
All meetings (2)
| Date | Tour | Tournament | Round | Surface | Winner | Set 1 | Set 2 | Set 3 | Set 4 | Set 5 |
|---|---|---|---|---|---|---|---|---|---|---|
| 1981-02-23 | ATP | Mexico City | Round of 32 | Clay | John Alexander | 3-6 | 7-5 | 6-3 | ||
| 1970-08-03 | ATP | Munich | Round of 32 | Clay | John Alexander | 6-2 | 7-5 | 7-5 |