Stadium: Court 2 Round: 25 Ground: Clay
| ITF M15 - Palm Coast | 2023/02/09 18:00 | Toby Alex Kodat v Rei Sakamoto | 6-2,6-3 |
| ITF M15 - Palm Coast | 2023/02/07 16:30 | Rei Sakamoto v Kristjan Tamm | 7-6,2-6,6-3 |
| ITF M25 - Malibu | 2023/01/02 17:00 | Rei Sakamoto v Arthur Neuhaus | 1-6,2-6 |
| ITF M15 - Antalya | 2022/10/26 11:25 | Dan Alexandru Tomescu v Rei Sakamoto | 4-6,6-4,6-2 |
| ITF M15 - Antalya | 2022/10/19 07:00 | Rei Sakamoto v Savva Polukhin | 3-6,2-6 |
| ITF M15 - Albuquerque | 2022/09/30 20:25 | Rei Sakamoto v Maciej Rajski | 2-6,3-6 |
| ITF M15 - Albuquerque | 2022/09/29 15:00 | Yuta Kikuchi v Rei Sakamoto | 2-6,2-6 |
| ITF M15 - Albuquerque | 2022/09/27 19:35 | Rei Sakamoto v Arda Azkara | 4-6,6-0,7-6 |
| UTR Pro - Californien | 2023/02/09 21:30 | ZhengQing Ji v Niels Hoffmann | 4-6,6-4,6-4 |
| UTR Pro - Californien | 2023/02/08 20:47 | Alex Kuperstein v ZhengQing Ji | 6-3,6-1 |
| UTR Pro - Californien | 2023/02/07 22:00 | Sanjeev Chundu v ZhengQing Ji | 3-6,6-2,3-5 |
| UTR Pro Tennis Series - Californien | 2022/12/22 17:00 | Alexander Chang v ZhengQing Ji | 4-6,4-6 |
| UTR Pro Tennis Series - Californien | 2022/12/21 23:15 | Elijah Strode v ZhengQing Ji | 6-3,6-4 |
| UTR Pro Tennis Series - Californien | 2022/12/20 17:00 | Yuta Kikuchi v ZhengQing Ji | 6-1,3-6,5-2 |
| UTR Pro Tennis Series - Californien | 2022/12/18 21:45 | Joshua Charlton v ZhengQing Ji | 7-6,2-6,6-3 |
| UTR Pro Tennis Series - Californien | 2022/12/17 22:30 | ZhengQing Ji v Jacob Brumm | 1-6,3-6 |