By surface
| Surface | Marcello Lara | Robert Bettauer |
|---|---|---|
| Hard | 1 | 0 |
All meetings (1)
| Date | Tour | Tournament | Round | Surface | Winner | Set 1 | Set 2 | Set 3 | Set 4 | Set 5 |
|---|---|---|---|---|---|---|---|---|---|---|
| 1979-10-27 | ATP | Davis Cup AME PR: CAN vs MEX | Round Robin | Hard | Marcello Lara | 6-2 | 6-4 | 6-4 |
| Surface | Marcello Lara | Robert Bettauer |
|---|---|---|
| Hard | 1 | 0 |
| Date | Tour | Tournament | Round | Surface | Winner | Set 1 | Set 2 | Set 3 | Set 4 | Set 5 |
|---|---|---|---|---|---|---|---|---|---|---|
| 1979-10-27 | ATP | Davis Cup AME PR: CAN vs MEX | Round Robin | Hard | Marcello Lara | 6-2 | 6-4 | 6-4 |