By surface
| Surface | John Alexander | Hans Gildemeister |
|---|---|---|
| Clay | 0 | 3 |
All meetings (3)
| Date | Tour | Tournament | Round | Surface | Winner | Set 1 | Set 2 | Set 3 | Set 4 | Set 5 |
|---|---|---|---|---|---|---|---|---|---|---|
| 1981-07-13 | ATP | Boston | Round of 16 | Clay | Hans Gildemeister | 7-6 | 4-6 | 5-7 | ||
| 1979-04-16 | ATP | Houston | Round of 16 | Clay | Hans Gildemeister | 4-6 | 0-6 | |||
| 1978-05-29 | ATP | Roland Garros | Round of 16 | Clay | Hans Gildemeister | 5-7 | 4-6 | 6-3 | 6-4 | 3-6 |