By surface
| Surface | Mackenzie Mcdonald | Otto Virtanen |
|---|---|---|
| Hard | 0 | 1 |
All meetings (1)
| Date | Tour | Tournament | Round | Surface | Winner | Set 1 | Set 2 | Set 3 | Set 4 | Set 5 |
|---|---|---|---|---|---|---|---|---|---|---|
| 2023-09-16 | ATP | Davis Cup Finals RR: USA vs FIN | Round Robin | Hard | Otto Virtanen | 6-75 | 6-1 | 6-77 |
| Surface | Mackenzie Mcdonald | Otto Virtanen |
|---|---|---|
| Hard | 0 | 1 |
| Date | Tour | Tournament | Round | Surface | Winner | Set 1 | Set 2 | Set 3 | Set 4 | Set 5 |
|---|---|---|---|---|---|---|---|---|---|---|
| 2023-09-16 | ATP | Davis Cup Finals RR: USA vs FIN | Round Robin | Hard | Otto Virtanen | 6-75 | 6-1 | 6-77 |