| Challenger Gimcheon MD | 05/09 02:00 | 26 | Hsieh C-P / Rungkat C v Tokuda R / Trongcharoenchaikul W | 6-2,7-6 | |
| Challenger Gimcheon Qual MD | 05/07 09:15 | - | Ehara H / Watanuki Y v Tokuda R / Trongcharoenchaikul W | 6-4,5-7,7-10 | |
| Challenger Qujing MD | 03/19 06:15 | 26 | Gao X / Zhang Ze v Tokuda R / Trongcharoenchaikul W | 6-2,6-1 |