Stadium: Court 10 Round: 26 Ground: Hardcourt outdoor
| ITF M15 Kofu MD | 2019/03/23 04:35 | Ellis/Look v Ehara/Katayama | 2-6,4-6 |
| ITF M15 Kofu MD | 2019/03/22 05:30 | Ehara/Katayama v Hazawa/Niki | 6-4,6-4 |
| ITF M15 Kofu MD | 2019/03/21 08:45 | Wong/Yeung v Ehara/Katayama | 3-6,5-7 |
| ITF M15 Kofu MD | 2019/03/19 05:35 | Kumasaka/Meguro v Ehara/Katayama | 0-6,1-6 |
| ITF M15 Nishi-Tama - Herrdubbel | 2019/03/09 04:30 | Imai/Niki v Ehara/Katayama | 6-3,6-1 |
| ITF M15 Nishi-Tama - Herrdubbel | 2019/03/09 02:05 | Ehara/Katayama v Takahashi/Yamasaki | 6-3,6-4 |
| ITF M15 Nishi-Tama - Herrdubbel | 2019/03/06 06:50 | Inui/Kawachi v Ehara/Katayama | 1-6,1-6 |
| ITF Canada F7 MD | 2018/09/12 21:10 | Ehara/Katayama v Ferrari/Pervolarakis | 4-6,7-6,8-10 |