45 games in the PremovedPrep archive. Games as White.
| White | Black | Result | ECO | Event | Date |
|---|---|---|---|---|---|
| Mitsuyama, Rikka | Chen, Chi | 0-1 | A13 | Olymp 2026 Women | 2026-09-24 |
| Mitsuyama, Rikka | Clement, Ciel Desiree | 1-0 | A17 | Olymp 2026 Women | 2026-09-21 |
| Mitsuyama, Rikka | Nomin-Erdene, Davaademberel | 0-1 | A10 | Olymp 2026 Women | 2026-09-16 |
| Mitsuyama, Rikka | Prasad, Tanvi | 1-0 | A40 | 45th FIDE Women's Chess Olympiad | 2024-09-19 |
| Mitsuyama, Rikka | Darweeche, Roaa | 1-0 | D10 | 45th FIDE Women's Chess Olympiad | 2024-09-16 |
| Mitsuyama, Rikka | Aponte, Samantha | 1-0 | E12 | 45th FIDE Women's Chess Olympiad | 2024-09-14 |
| Mitsuyama, Rikka | Nolwazi Buthelezi | 1-0 | D38 | 45th FIDE Women's Chess Olympiad | 2024-09-12 |
| Mitsuyama, Rikka | Moritani, Sho | 0-1 | E11 | Round 4: Mitsuyama, Rikka - Moritani, Sho | 2024-04-07 |
| Mitsuyama Rikka | Shibata Misaki | 1/2-1/2 | D56 | Round 3: Mitsuyama Rikka - Shibata Misaki | 2023-07-29 |
| Mitsuyama Rikka | Eftovska Lea | 0-1 | E94 | WCO | 2022-08-09 |
| Mitsuyama Rikka | Mayeregger Gonzalez Renata | 0-1 | A60 | WCO | 2022-08-07 |
| Mitsuyama Rikka | Ayele Hana Mulugeta | 1-0 | D53 | WCO | 2022-08-05 |
| Mitsuyama Rikka | Shih Ching-An | 0-1 | D55 | WCO | 2022-08-01 |
| Mitsuyama, Rikka | Cho, Yeonhee | 0-1 | D63 | Online_Olympiad_Div3_PoolA | 2021-08-29 |
| Mitsuyama, Rikka | Neupane, Anisha | 1-0 | D55 | Online_Olympiad_Div3_PoolA | 2021-08-28 |
| Mitsuyama, Rikka | Dorozhkina, Mariya | 0-1 | D85 | Online_Olympiad_Div3_PoolA | 2021-08-28 |
| Mitsuyama, Rikka | Prasad, Tanvi | 1-0 | E90 | Online_Olympiad_Div3_PoolA | 2021-08-27 |
| Mitsuyama, Rikka | Ning, Isabelle Yixuan | 1-0 | E98 | Online_Olympiad_Div3_PoolA | 2021-08-27 |
| Mitsuyama, Rikka | Veliz, Daira Isis | 1-0 | D20 | World Youth Cup 2021 O16-G12 - Girls 12 | 2021-08-16 |
| Mitsuyama, Rikka | Sidorenja, Milena | 0-1 | D31 | World Youth Cup 2021 O16-G12 - Girls 12 | 2021-08-16 |
| Mitsuyama, Rikka | Catabay, Mae Katelyn Rose | 1-0 | E95 | World Youth Cup 2021 O16-G12 - Girls 12 | 2021-08-16 |
| Mitsuyama, Rikka | Chasouraki, Chrysi | 1/2-1/2 | E21 | World Youth Cup 2021 O16-G12 - Girls 12 | 2021-08-16 |