| Challenger Oeiras DM | 05/16 15:05 | 26 | Babic/Lomakin v Hijikata/Tu | CANC | |
| Challenger Busan DM | 05/11 08:05 | 27 | Hijikata/Tu v King/Stalder | Walkover | |
| Challenger Busan DM | 05/10 08:15 | 26 | Hijikata/Tu v Matsui/Uesugi | 7-5,7-6 | |
| Challenger Gwangju DM | 05/03 05:10 | 26 | Kelly/Purcell v Hijikata/Tu | 6-2,7-5 | |
| Challenger Busan DM | 10/19 06:55 | 26 | Hijikata/Tu v Nam/Song | CANC | |
| Challenger Seul DM | 10/13 07:15 | 27 | Marterer/Neuchrist v Hijikata/Tu | 7-6,4-6,10-3 | |
| Challenger Seul DM | 10/12 06:30 | 26 | Coppejans/De Loore v Hijikata/Tu | 5-7,2-6 | |
| Challenger Gwangju DM | 10/05 04:20 | 26 | Gengel/Svrcina v Hijikata/Tu | 6-3,6-7,10-7 |