Stadium: Court 4 Round: 26
| Challenger Shenzhen MD | 2018/03/14 10:05 | Granollers/Li v Te/Wu | 3-6,6-7 |
| Challenger Kyoto MD | 2018/02/23 08:00 | Soeda/Uchiyama v Balaji/Gunneswaran | 6-4,7-6 |
| Challenger Kyoto MD | 2018/02/21 08:50 | Balaji/Gunneswaran v Li/Robert | 6-4,6-4 |
| Challenger Kyoto MD | 2018/02/19 07:50 | Hayashi/Shibano v Balaji/Gunneswaran | 5-7,1-6 |