By surface
| Surface | Denis Istomin | Tatsuma Ito |
|---|---|---|
| Hard | 1 | 0 |
All meetings (1)
| Date | Tour | Tournament | Round | Surface | Winner | Set 1 | Set 2 | Set 3 | Set 4 | Set 5 |
|---|---|---|---|---|---|---|---|---|---|---|
| 2011-07-08 | ATP | Davis Cup G1 R2: JPN vs UZB | Round Robin | Hard | Denis Istomin | 6-4 | 6-4 | 6-4 |
| Surface | Denis Istomin | Tatsuma Ito |
|---|---|---|
| Hard | 1 | 0 |
| Date | Tour | Tournament | Round | Surface | Winner | Set 1 | Set 2 | Set 3 | Set 4 | Set 5 |
|---|---|---|---|---|---|---|---|---|---|---|
| 2011-07-08 | ATP | Davis Cup G1 R2: JPN vs UZB | Round Robin | Hard | Denis Istomin | 6-4 | 6-4 | 6-4 |