Stadium: Court 2 Round: 27 Ground: Hardcourt outdoor
| Challenger Kyoto MD | 2018/02/22 06:45 | Gong/Hsieh v Kamke/Puetz | 6-7,6-2,10-3 |
| Challenger Yokohama MD | 2018/02/26 06:35 | Gong/Hsieh v Chen/Jung | 6-3,7-6 |
| Challenger Kyoto MD | 2018/02/23 05:45 | Gong/Hsieh v Saville/Thompson | 7-6,6-7,3-10 |
| Challenger Kyoto MD | 2018/02/22 06:45 | Gong/Hsieh v Kamke/Puetz | 6-7,6-2,10-3 |
| Challenger Kyoto MD | 2018/02/20 09:25 | Ratiwatana/Ratiwatana v Gong/Hsieh | 6-7,4-6 |
| Challenger Yokohama MD | 2018/02/27 06:20 | Kamke/Puetz v Balaji/Uchiyama | 6-4,6-3 |
| Challenger Kyoto MD | 2018/02/22 06:45 | Gong/Hsieh v Kamke/Puetz | 6-7,6-2,10-3 |
| Challenger Kyoto MD | 2018/02/20 08:05 | Kamke/Puetz v Purcell/Whittington | 6-4,2-6,10-6 |