Round: 26 Ground: Hardcourt outdoor
| Challenger Kyoto MD | 2018/02/22 05:30 | Saville/Thompson v Klein/Margaroli | 7-6,7-5 |
| Challenger Kyoto MD | 2018/02/21 07:25 | Matsui/Yi v Klein/Margaroli | 7-6,4-6,11-13 |
| Challenger Kyoto MD | 2018/02/21 07:35 | Soeda/Uchiyama v Peng/Siljestrom | 6-4,6-4 |