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