By surface
| Surface | Alexander Zverev Sr | Roberto Gabelli |
|---|---|---|
| Clay | 1 | 1 |
All meetings (2)
| Date | Tour | Tournament | Round | Surface | Winner | Set 1 | Set 2 | Set 3 | Set 4 | Set 5 |
|---|---|---|---|---|---|---|---|---|---|---|
| 1984-04-02 | WTA | Miami | Final | Clay | Laura Arraya | 3-6 | 2-6 | |||
| 1983-07-03 | WTA | Hittfield | Quarterfinal | Clay | Petra Huber | 3-6 | 6-3 | 1-6 |