Stadium: Court 4 Round: 26 Ground: Hardcourt outdoor
| ITF Japan F2 MD | 2018/03/13 06:55 | Lee/Lim v Ehara/Katayama | 7-6,3-6,10-8 |
| Challenger Yokohama Qual MD | 2018/02/25 04:00 | Ehara/Katayama v Donati/Leshem | 6-7,3-6 |
| ITF China F14 MD | 2017/07/28 07:00 | Huang/Wang v Ehara/Katayama | 3-6,3-6 |
| ITF China F14 MD | 2017/07/26 06:00 | Kim/Sekiguchi v Ehara/Katayama | 4-6,1-6 |
| ITF China F14 MD | 2017/07/24 09:55 | Ehara/Katayama v Chiu/Lee | 7-5,7-6 |
| ITF Singapore F2 MD | 2017/06/02 05:00 | Ehara/Katayama v Casey Alcantara/Verbeek | 3-6,0-6 |
| ITF Singapore F2 MD | 2017/06/01 07:00 | Ehara/Katayama v Foo/Hobbs | 6-0,6-4 |
| ITF Singapore F2 MD | 2017/05/30 11:40 | Rawat/Singh v Ehara/Katayama | 1-6,2-6 |