Estádio: Court 1 Round: 28 Ground: Hardcourt outdoor
| 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 MD | 2019/03/09 04:30 | Imai/Niki v Ehara/Katayama | 6-3,6-1 |
| ITF M15 Nishi-Tama MD | 2019/03/09 02:05 | Ehara/Katayama v Takahashi/Yamasaki | 6-3,6-4 |
| ITF M15 Nishi-Tama MD | 2019/03/06 06:50 | Inui/Kawachi v Ehara/Katayama | 1-6,1-6 |
| ITF - Canadá F7 - Duplas Masculinas | 2018/09/12 21:10 | Ehara/Katayama v Ferrari/Pervolarakis | 4-6,7-6,8-10 |
| ITF - Canadá F7 - Duplas Masculinas | 2018/09/11 22:40 | Ehara/Katayama v Ghasemi/Zapata | 6-1,6-4 |
| ITF - Canadá F6 - Duplas Masculinas | 2018/09/06 20:00 | Ehara/Katayama v Emhardt/Shropshire | 6-4,4-6,6-10 |
| ITF M15 Kofu MD | 2019/03/21 09:15 | Ito/Mochizuki v Hazawa/Niki | 4-6,2-6 |
| ITF M15 Kofu MD | 2019/03/19 06:10 | Ichikawa/Tajima v Hazawa/Niki | 2-6,3-6 |