| Russia Open 2019, MD | 07/19 03:40 | 3 | Lee Y D / Yoo Y S v Oshima K / Tsukamoto Y | L | 2-0 | |
| Russia Open 2019, MD | 07/18 06:45 | 4 | Oshima K / Tsukamoto Y v Chew P / Chew R | W | 2-0 | |
| Russia Open 2019, MD | 07/17 00:00 | 5 | Oshima K / Tsukamoto Y v Takano M / Tamate K | - | Walkover | |
| Vietnam Int. MD | 04/10 10:40 | - | Chang/Chen v Oshima K / Tsukamoto Y | L | 2-0 |