By surface
| Surface | Sammy Giammalva Jr | David Mustard |
|---|---|---|
| Grass | 1 | 0 |
All meetings (1)
| Date | Tour | Tournament | Round | Surface | Winner | Set 1 | Set 2 | Set 3 | Set 4 | Set 5 |
|---|---|---|---|---|---|---|---|---|---|---|
| 1983-11-29 | ATP | Australian Open | Round of 128 | Grass | Sammy Giammalva Jr | 6-2 | 7-6 | 2-6 | 6-3 |
| Surface | Sammy Giammalva Jr | David Mustard |
|---|---|---|
| Grass | 1 | 0 |
| Date | Tour | Tournament | Round | Surface | Winner | Set 1 | Set 2 | Set 3 | Set 4 | Set 5 |
|---|---|---|---|---|---|---|---|---|---|---|
| 1983-11-29 | ATP | Australian Open | Round of 128 | Grass | Sammy Giammalva Jr | 6-2 | 7-6 | 2-6 | 6-3 |