By surface
| Surface | John Alexander | John Marks |
|---|---|---|
| Grass | 0 | 1 |
All meetings (1)
| Date | Tour | Tournament | Round | Surface | Winner | Set 1 | Set 2 | Set 3 | Set 4 | Set 5 |
|---|---|---|---|---|---|---|---|---|---|---|
| 1978-12-26 | ATP | Australian Open | Quarterfinal | Grass | John Marks | 4-6 | 4-6 | 5-7 |
| Surface | John Alexander | John Marks |
|---|---|---|
| Grass | 0 | 1 |
| Date | Tour | Tournament | Round | Surface | Winner | Set 1 | Set 2 | Set 3 | Set 4 | Set 5 |
|---|---|---|---|---|---|---|---|---|---|---|
| 1978-12-26 | ATP | Australian Open | Quarterfinal | Grass | John Marks | 4-6 | 4-6 | 5-7 |