Historique des matchs du joueur de tennis: Retrouvez ici la totalité des matchs et tournois joués par Rei Sakamoto.
194 matchs enregistrés.
| 19/09/2026 | Davis Cup, Group I, 1R, NZL-JPN 1-3 | Rei Sakamoto vs. Anton Shepp |
| 08/09/2026 | Shanghai Challenger | Rei Sakamoto vs. Ji Sung Nam |
| 03/09/2026 | U.S. Open - New York | Rei Sakamoto vs. Frances Tiafoe |
| 31/08/2026 | U.S. Open - New York | Aleksandar Vukic vs. Rei Sakamoto |
| 28/08/2026 | U.S. Open - New York | Kei Nishikori vs. Rei Sakamoto |
| 26/08/2026 | U.S. Open - New York | Rei Sakamoto vs. Alexandre Muller |
| 25/08/2026 | U.S. Open - New York | Jay Clarke vs. Rei Sakamoto |
| 20/08/2026 | Quebec City Challenger | Rei Sakamoto vs. Luca Van Assche |
| 18/08/2026 | Quebec City Challenger | Jurij Rodionov vs. Rei Sakamoto |
| 14/08/2026 | Brownsburg Challenger | Daniel Milavsky vs. Rei Sakamoto |
| 13/08/2026 | Brownsburg Challenger | Dhakshineswar Suresh vs. Rei Sakamoto |
| 12/08/2026 | Brownsburg Challenger | Ugo Blanchet vs. Rei Sakamoto |
| 07/08/2026 | Lexington Challenger | Rei Sakamoto vs. Edas Butvilas |
| 06/08/2026 | Lexington Challenger | Rei Sakamoto vs. Michael Mmoh |
| 04/08/2026 | Lexington Challenger | Rei Sakamoto vs. Aidan Mayo |
| 02/07/2026 | Cary Challenger | Rei Sakamoto vs. Timo Legout |
| 01/07/2026 | Cary Challenger | Rei Sakamoto vs. Jules Leroux |
| 25/06/2026 | Wimbledon - London | Jaime Faria vs. Rei Sakamoto |
| 24/06/2026 | Wimbledon - London | Aziz Dougaz vs. Rei Sakamoto |
| 22/06/2026 | Wimbledon - London | Anton Matusevich vs. Rei Sakamoto |