Stadium: Court 4 Round: 26 Ground: Hardcourt outdoor
| Matsuyama, Doubles M-ITF-JPN-06A | 2019/04/09 07:30 | Ehara H / Katayama S v Imamura M / Noguchi R | 6-2,4-6,6-10 |
| Kofu, Doubles M-ITF-JPN-03A | 2019/03/23 04:35 | Ellis B / Look M v Ehara H / Katayama S | 2-6,4-6 |
| Kofu, Doubles M-ITF-JPN-03A | 2019/03/22 05:30 | Ehara H / Katayama S v Hazawa S / Niki T | 6-4,6-4 |
| Kofu, Doubles M-ITF-JPN-03A | 2019/03/21 08:45 | Wong H K / Yeung P L v Ehara H / Katayama S | 3-6,5-7 |
| Kofu, Doubles M-ITF-JPN-03A | 2019/03/19 05:35 | Kumasaka T / Meguro Y v Ehara H / Katayama S | 0-6,1-6 |
| Nishi-Tama, Doubles M-ITF-JPN-01A | 2019/03/09 04:30 | Imai S / Niki T v Ehara H / Katayama S | 6-3,6-1 |
| Nishi-Tama, Doubles M-ITF-JPN-01A | 2019/03/09 02:05 | Ehara H / Katayama S v Y Takahashi / J Yamasaki | 6-3,6-4 |
| Nishi-Tama, Doubles M-ITF-JPN-01A | 2019/03/06 06:50 | Inui Y / Kawachi K v Ehara H / Katayama S | 1-6,1-6 |