| Challenger Busan Qual MD | 05/14 07:05 | - | Banes M / Ellis B v Ehara H / Watanuki Y | 6-3,6-7,10-7 | |
| Challenger Busan Qual MD | 05/13 07:15 | 166 | OH C-Y / Sin D-H v Ehara H / Watanuki Y | 3-6,3-6 | |
| Challenger Gimcheon Qual MD | 05/07 09:15 | - | Ehara H / Watanuki Y v Tokuda R / Trongcharoenchaikul W | 6-4,5-7,7-10 | |
| Challenger Gimcheon Qual MD | 05/06 09:25 | 28 | Li Z / Statham R v Ehara H / Watanuki Y | 6-7,6-7 |