| Hong Kong Open (WT) 2019, Women Doubles | 06/07 03:40 | 3 | Hamamoto Y / Polcanova S v Ng W N / Soo W Y M | L | 2-3 | |
| Hong Kong Open (WT) 2019, Women Doubles | 06/06 03:40 | 4 | Chen S-Y / Cheng H-T v Hamamoto Y / Polcanova S | W | 2-3 | |
| Hong Kong Open (WT) 2019, Women Doubles | 06/04 10:10 | 1 | Hamamoto Y / Polcanova S v Lupulesku/Surjan | W | 3-2 | |
| ITTF China Open 2019, MD | 05/30 03:20 | 4 | Hamamoto Y / Polcanova S v Lin Y / Zeng J | L | 1-3 | |
| République tchèque - Extraleague | 05/29 09:40 | - | Hamamoto Y / Polcanova S v Gui L / Takahashi B | W | 3-1 |