Stadium: Court 1 Round: 26 Ground: Clay
| ITF M15 Kashiwa MD | 2024/04/04 05:00 | Saitoh/Sumizawa v Huang/Jeong | 4-6,4-6 |
| ITF M15 Kashiwa MD | 2024/04/02 09:15 | Kono/Okamura v Saitoh/Sumizawa | 1-6,1-6 |
| ITF M25 Takasaki MD | 2023/09/21 07:10 | Kono/Kusuhara v Saitoh/Sumizawa | 6-1,6-3 |
| ITF M25 Takasaki MD | 2023/09/20 04:35 | Hashimoto/Tani v Saitoh/Sumizawa | 3-6,1-6 |
| ITF M25 Hong Kong MD | 2023/09/04 04:30 | Saitoh/Sumizawa v Gerasimov/Li | 1-6,4-6 |
| ITF M25 Hong Kong MD | 2023/09/03 09:10 | Delaney/Rai v Saitoh/Sumizawa | 7-5,4-6,8-10 |
| ITF M25 Hong Kong MD | 2023/08/31 08:15 | Moundir/Yang v Saitoh/Sumizawa | 4-6,4-6 |
| ITF M25 Hong Kong MD | 2023/08/29 04:25 | Saitoh/Sumizawa v Delaney/Mott | 3-6,6-3,13-11 |