Monte-Carlo 
Casablanca 
Bucharest 
Bogota 
Rouen 
Stuttgart 
Oeiras 
Antalya 3 
Campinas 
Barletta 
Cuernavaca 
Davis Сup Group I Tennis. Played Sakamoto Rei. Season 2025
Country 
Japan. Ranking ATP 279.
Japan. Ranking ATP 279. ATP - NASDAQ-100 | ||||
|---|---|---|---|---|
| 20.03.2025 | First round | Muller Alexandre — Sakamoto Rei | 2:0 (6:4, 6:4) |
|
| 18.03.2025 | Qialification final | Duckworth James — Sakamoto Rei | 0:2 (5:7, 6:7) |
|
| 17.03.2025 | Qualifications - 1st round | Sakamoto Rei — Majchrzak Kamil | 2:1 (6:4, 6:7, 6:2) |
|
 Cap Cana | ||||
| 14.03.2025 | Second round | Mensik Jakub — Sakamoto Rei | 2:0 (6:4, 6:2) |
|
| 12.03.2025 | First round | Sakamoto Rei — Nanda Govind | 2:0 (6:3, 6:4) |
|
| 11.03.2025 | Qialification final | Sakamoto Rei — Miedler Lucas | 2:0 (6:3, 7:6) |
|
 Lugano | ||||
| 25.02.2025 | First round | Sakamoto Rei — Draxl Liam | 0:2 (4:6, 4:6) |
|
| 24.02.2025 | Qialification final | Sakamoto Rei — Prado Angelo Juan Carlos | 2:0 (6:4, 7:6) |
|
| 23.02.2025 | Qualifications - 1st round | Sakamoto Rei — Yevseyev Denis (Retired) | 1:0 (6:3, 3:0) |
|
 Glasgow | ||||
| 17.02.2025 | First round | Monday Johannus — Sakamoto Rei | 2:0 (7:6, 6:4) |
|
 Tenerife 2 | ||||
| 10.02.2025 | Qialification final | Misolic Filip — Sakamoto Rei | 2:0 (6:4, 6:2) |
|
| Tenerife | ||||
| 04.02.2025 | First round | Hassan Benjamin — Sakamoto Rei | 2:1 (4:6, 6:2, 6:4) |
|