| ITF M25 Takasaki MD | 09/20 04:00 | - | Saitoh/Yamanaka v Yuto Oki/Vithoontien | 7-6,4-6,0-0 | |
| ITF M25 Takasaki MD | 09/19 07:35 | - | Yuto Oki/Vithoontien v Kumasaka/Yamasaki | 6-2,6-3 | |
| ITF M25 Takasaki MD | 09/18 08:41 | - | Yuto Oki/Vithoontien v Imamura/Tajima | 6-3,6-3 | |
| ITF M25 Takasaki MD | 09/16 04:00 | - | Adachi/Koyama v Yuto Oki/Vithoontien | 2-6,2-6 |