Stadium: Court 4 Round: 26 Ground: Hardcourt outdoor
| ITF M25 - Takasaki - Herredouble | 2023/09/21 07:10 | Kono/Kusuhara v Saitoh/Sumizawa | 6-1,6-3 |
| ITF M25 - Takasaki - Herredouble | 2023/09/20 04:35 | Hashimoto/Tani v Saitoh/Sumizawa | 3-6,1-6 |
| ITF M25 - HongKong - Herredouble | 2023/09/04 04:30 | Saitoh/Sumizawa v Gerasimov/Li | 1-6,4-6 |
| ITF M25 - HongKong - Herredouble | 2023/09/03 09:10 | Delaney/Rai v Saitoh/Sumizawa | 7-5,4-6,8-10 |
| ITF M25 - HongKong - Herredouble | 2023/08/31 08:15 | Moundir/Yang v Saitoh/Sumizawa | 4-6,4-6 |
| ITF M25 - HongKong - Herredouble | 2023/08/29 04:25 | Saitoh/Sumizawa v Delaney/Mott | 3-6,6-3,13-11 |
| ITF M25 - Kashiwa - Herredouble | 2023/04/04 05:15 | Saitoh/Sumizawa v Hosono/Yamamoto | 7-5,7-5 |
| ITF M25 - Canberra - Herredouble | 2023/03/17 03:15 | Bayldon/Smith v Saitoh/Sumizawa | 7-5,6-3 |