Munich 
Bucharest 
Barcelona 
Rouen 
Oeiras 
San Miguel de Tucuman 
Acapulco 
Tallahassee 
Davis Сup Group I Tennis. Played Ito Tatsuma. Season 2023
Country 
Japan. Ranking ATP 766.
Japan. Ranking ATP 766.| Yokkaichi | ||||
|---|---|---|---|---|
| 28.11.2023 | First round | Moriya Hiroki — Ito Tatsuma | 2:0 (6:3, 6:2) |
|
| 27.11.2023 | Qialification final | Ho Ray — Ito Tatsuma | 0:2 (6:7, 1:6) |
|
| Kobe | ||||
| 15.11.2023 | First round | Ito Tatsuma — Shimizu Yuta | 0:2 (6:7, 3:6) |
|
| Matsuyama | ||||
| 06.11.2023 | Qialification final | Li Zhe — Ito Tatsuma | 2:1 (4:6, 6:4, 6:2) |
|
| 05.11.2023 | Qualifications - 1st round | Ito Tatsuma — Shin Sanhui | 2:0 (7:6, 6:3) |
|
 Winnipeg | ||||
| 14.08.2023 | Qialification final | Pannu Kiranpal — Ito Tatsuma | 2:1 (7:5, 4:6, 6:1) |
|
 Busan Challenger | ||||
| 07.05.2023 | Qualifications - 1st round | Ito Tatsuma — Sasikumar Mukund | 2:1 (5:7, 6:4, 6:4) |
|
| Gwangju Challenger | ||||
| 01.05.2023 | Qialification final | Ito Tatsuma — Gojowczyk Peter | 0:2 (4:6, 4:6) |
|
| 30.04.2023 | Qualifications - 1st round | Ito Tatsuma — Leshem Edan | 2:0 (6:1, 6:4) |
|
| Seoul | ||||
| 26.04.2023 | First round | Chan Hong Seong — Ito Tatsuma | 2:0 (6:3, 6:2) |
|
| 24.04.2023 | Qialification final | Jasika Omar — Ito Tatsuma | 1:2 (6:1, 2:6, 2:6) |
|
| 23.04.2023 | Qualifications - 1st round | Ito Tatsuma — Palan Dominik | 2:0 (6:4, 6:2) |
|