Stadium: Court 2 Round: 26 Ground: Hardcourt indoor
| Challenger Busan MD | 2023/05/10 08:15 | Hijikata/Tu v Matsui/Uesugi | 7-5,7-6 |
| Challenger Gwangju MD | 2023/05/03 05:10 | Kelly/Purcell v Hijikata/Tu | 6-2,7-5 |
| Challenger Seoul MD | 2022/10/13 07:15 | Marterer/Neuchrist v Hijikata/Tu | 7-6,4-6,10-3 |
| Challenger Seoul MD | 2022/10/12 06:30 | Coppejans/De Loore v Hijikata/Tu | 5-7,2-6 |
| Challenger Gwangju MD | 2022/10/05 04:20 | Gengel/Svrcina v Hijikata/Tu | 6-3,6-7,10-7 |