Stadium: Court 3 Round: 14 Ground: Hardcourt outdoor
| Billie Jean King Cup | 2016/11/06 02:00 | Shinji Hazawa v Kaito Uesugi | 4-6,7-6,4-6 |
| Challenger Gwangju | 2022/10/03 02:00 | Ji Sung Nam v Shinji Hazawa | 6-1,7-6 |
| ITF M25 - Kashiwa | 2022/09/30 03:05 | Makoto Ochi v Shinji Hazawa | 7-5,6-1 |
| ITF M25 - Kashiwa | 2022/09/29 01:55 | Issei Okamura v Shinji Hazawa | 1-6,4-6 |
| ITF M25 - Kashiwa | 2022/09/27 01:00 | Kokoro Isomura v Shinji Hazawa | 5-7,4-6 |
| Challenger Nonthaburi - Kval | 2022/09/04 07:30 | Shinji Hazawa v Naoki Nakagawa | 4-6,4-6 |
| Challenger Nonthaburi | 2022/08/21 07:40 | Shinji Hazawa v Yuta Shimizu | 2-6,4-6 |
| ITF M15 - Kuching | 2022/08/03 01:00 | Kokoro Isomura v Shinji Hazawa | 2-6,6-3,6-1 |
| ITF M15 - Kuala Lumpur | 2022/07/29 01:00 | Shinji Hazawa v Yuta Shimizu | 4-6,3-6 |
| ITF M25 - Kashiwa | 2022/09/27 00:55 | Koki Matsuda v Kaito Uesugi | 3-6,6-4,6-0 |
| Challenger Rome GA | 2022/07/10 22:55 | Kaito Uesugi v Mukund Sasikumar | 6-4,6-7,1-6 |
| ITF M25 - Harmon | 2022/06/10 01:30 | Kaito Uesugi v Sho Shimabukuro | 0-6,1-6 |
| ITF M25 - Harmon | 2022/06/09 00:00 | Andre Ilagan v Kaito Uesugi | 6-7,4-6 |
| ITF M25 - Harmon | 2022/06/08 00:00 | Ren Nakamura v Kaito Uesugi | 3-6,6-7 |
| ITF M25 - Harmon | 2022/06/03 00:00 | Cheong-Eui Kim v Kaito Uesugi | 6-3,6-3 |
| ITF M25 - Harmon | 2022/06/02 00:00 | Kaito Uesugi v Sho Shimabukuro | 2-6,6-1,7-6 |
| ITF M25 - Harmon | 2022/06/01 00:00 | Kaito Uesugi v Aarman Sachdev | 6-1,6-3 |