| Oman Open U21 Women | 2020/02/07 15:40 | Shiomi, Maki v Adina Diaconu | W | 3-1 |
| Oman Open U21 Women | 2020/02/14 10:25 | Shiomi, Maki v Ana Tofant | W | 3-0 |
| Oman Open U21 Women | 2020/02/07 15:40 | Shiomi, Maki v Adina Diaconu | W | 3-1 |
| ITTF Challenge, Spanish Open 2020, WS | 2020/02/07 12:35 | Xiaoxin Yang v Shiomi, Maki | L | 4-3 |
| Oman Open U21 Women | 2020/02/07 09:00 | Shiomi, Maki v Tailakova, Mariia | W | 3-0 |
| ITTF Challenge, Spanish Open 2020, WS | 2020/02/06 11:15 | Andreea Dragoman v Shiomi, Maki | W | 1-4 |
| Oman Open U21 Women | 2020/02/06 09:00 | Shiomi, Maki v Feher, O. | W | 3-0 |
| German Open 2020, WS | 2020/01/29 08:30 | Shiomi, Maki v Dina Meshref | W | 4-2 |
| Oman Open U21 Women | 2019/12/07 21:10 | Shiomi, Maki v Wang, Xiaotong | L | 1-3 |
| Challenge Plus Portugal Open 2020, WS, Quali | 2020/02/14 12:35 | Adina Diaconu v Honoka Hashimoto | L | 1-4 |
| Oman Open U21 Women | 2020/02/14 10:25 | Lung, Lisa v Adina Diaconu | W | 0-3 |
| Oman Open U21 Women | 2020/02/12 18:00 | Kazantseva, Kristina v Adina Diaconu | W | 0-3 |
| Oman Open U21 Women | 2020/02/07 15:40 | Shiomi, Maki v Adina Diaconu | L | 3-1 |
| Oman Open U21 Women | 2020/02/07 09:00 | Adina Diaconu v Elizabet Abraamian | W | 3-1 |
| ITTF Challenge, Spanish Open 2020, WS | 2020/02/06 17:10 | Jian Zeng v Adina Diaconu | L | 4-3 |
| ITTF Challenge, Spanish Open 2020, WS | 2020/02/06 10:20 | Nikitchanka, Alina v Adina Diaconu | W | 0-4 |
| Oman Open U21 Women | 2020/02/06 09:00 | Adina Diaconu v Tatiana Kukulkova | W | 3-1 |