Stadium: Court 1 Round: 29 Ground: Hardcourt outdoor
| ITF M15 Chiang Rai | 2022/06/16 06:15 | Shintaro Imai v Shinji Hazawa | 6-2,6-4 |
| ITF M15 Chiang Rai | 2022/06/16 02:00 | Jie Cui v Shinji Hazawa | 3-6,6-3,3-6 |
| ITF M25 Chiang Rai | 2022/06/11 02:00 | Shintaro Imai v Shinji Hazawa | 6-1,6-2 |
| ITF M25 Chiang Rai | 2022/06/10 02:00 | Shinji Hazawa v Yusuke Takahashi | 3-6,6-2,6-2 |
| ITF M25 Chiang Rai | 2022/06/09 02:00 | Yuki Mochizuki v Shinji Hazawa | 6-3,2-6,3-6 |
| ITF M25 Chiang Rai | 2022/06/08 04:30 | Nikita Volonski v Shinji Hazawa | 1-6,2-6 |
| ITF M25 Chiang Rai | 2022/06/01 02:00 | Shinji Hazawa v Kento Takeuchi | 6-7,6-2,4-6 |
| ITF M15 Heraklion | 2022/05/26 06:55 | Stefanos Sakellaridis v Shinji Hazawa | 4-6,6-4,6-3 |
| ITF M15 Budva | 2022/06/10 09:00 | Daisuke Sumizawa v Ivan Liutarevich | 7-5,6-7,1-6 |
| ITF M15 Budva | 2022/06/08 13:00 | Dostanbek Tashbulatov v Daisuke Sumizawa | 5-7,1-6 |
| ITF M15 Budva | 2022/06/01 11:10 | Lorenzo Joaquin Rodriguez v Daisuke Sumizawa | 3-6,6-3,7-6 |
| ITF M15 Budva | 2022/05/31 08:00 | Daisuke Sumizawa v Samuele Pieri | 6-4,2-6,10-6 |
| ITF M15 Budva | 2022/05/30 08:30 | Daisuke Sumizawa v Pavle Daljev | 6-1,6-3 |
| ITF M15 Budva | 2022/05/29 09:30 | Daisuke Sumizawa v Andrej Radojicic | 6-1,6-1 |
| ITF M15 Ulcinj | 2022/05/26 09:35 | Daisuke Sumizawa v Ivan Liutarevich | 6-2,4-6,6-7 |
| ITF M15 Ulcinj | 2022/05/25 08:00 | Daisuke Sumizawa v Viktor Jovic | 6-4,2-6,6-1 |