By surface
| Surface | Rei Sakamoto | Justin Engel |
|---|---|---|
| Hard | 0 | 1 |
All meetings (1)
| Date | Tour | Tournament | Round | Surface | Winner | Set 1 | Set 2 | Set 3 | Set 4 | Set 5 |
|---|---|---|---|---|---|---|---|---|---|---|
| 2025-09-12 | ATP | Davis Cup QLS R2: GER vs JPN | Round Robin | Hard | Justin Engel | 3-6 | 7-62 | 7-10 |
| Surface | Rei Sakamoto | Justin Engel |
|---|---|---|
| Hard | 0 | 1 |
| Date | Tour | Tournament | Round | Surface | Winner | Set 1 | Set 2 | Set 3 | Set 4 | Set 5 |
|---|---|---|---|---|---|---|---|---|---|---|
| 2025-09-12 | ATP | Davis Cup QLS R2: GER vs JPN | Round Robin | Hard | Justin Engel | 3-6 | 7-62 | 7-10 |