By surface
| Surface | Sammy Giammalva Jr | Chris Johnstone |
|---|---|---|
| Grass | 1 | 0 |
All meetings (1)
| Date | Tour | Tournament | Round | Surface | Winner | Set 1 | Set 2 | Set 3 | Set 4 | Set 5 |
|---|---|---|---|---|---|---|---|---|---|---|
| 1982-12-02 | ATP | Australian Open | Round of 64 | Grass | Sammy Giammalva Jr | 3-6 | 6-1 | 7-5 | 2-6 | 6-4 |
| Surface | Sammy Giammalva Jr | Chris Johnstone |
|---|---|---|
| Grass | 1 | 0 |
| Date | Tour | Tournament | Round | Surface | Winner | Set 1 | Set 2 | Set 3 | Set 4 | Set 5 |
|---|---|---|---|---|---|---|---|---|---|---|
| 1982-12-02 | ATP | Australian Open | Round of 64 | Grass | Sammy Giammalva Jr | 3-6 | 6-1 | 7-5 | 2-6 | 6-4 |