| 1. Jornada | 28.02.2021 | Mito HollyHock | - | RB Omiya Ardija | 1:2 |  |
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| 3. Jornada | 13.03.2021 | Júbilo Iwata | - | Mito HollyHock | 3:2 | ||||
| 4. Jornada | 21.03.2021 | Mito HollyHock | - | FC Machida Zelvia | 3:0 | ||||
| 5. Jornada | 28.03.2021 | Mito HollyHock | - | Matsumoto Yamaga | 3:0 | ||||
| 6. Jornada | 04.04.2021 | Tokyo Verdy | - | Mito HollyHock | 2:1 | ||||
| 7. Jornada | 11.04.2021 | Mito HollyHock | - | FC Ryūkyū | 0:2 | ||||
| 8. Jornada | 17.04.2021 | Fagiano Okayama | - | Mito HollyHock | 1:2 | ||||
| 9. Jornada | 21.04.2021 | Mito HollyHock | - | JEF United Chiba | 0:1 | ||||
| 11. Jornada | 02.05.2021 | Mito HollyHock | - | V-Varen Nagasaki | 1:0 | ||||
| 15. Jornada | 23.05.2021 | Mito HollyHock | - | Ventforet Kofu | 0:1 | ||||
| 18. Jornada | 13.06.2021 | Mito HollyHock | - | SC Sagamihara | 2:0 |
Japón