| 9. Jornada | 21.04.2021 | Montedio Yamagata | - | V-Varen Nagasaki | 1:3 | ||||
| 11. Jornada | 01.05.2021 | Thespakusatsu Gunma | - | Montedio Yamagata | 1:2 | ||||
| 14. Jornada | 16.05.2021 | Montedio Yamagata | - | Ehime FC | 1:0 | ||||
| 15. Jornada | 22.05.2021 | FC Ryūkyū | - | Montedio Yamagata | 0:2 | ||||
| 16. Jornada | 30.05.2021 | Montedio Yamagata | - | SC Sagamihara | 2:0 | ||||
| 18. Jornada | 13.06.2021 | Montedio Yamagata | - | Renofa Yamaguchi | 2:0 | ||||
| 20. Jornada | 26.06.2021 | Montedio Yamagata | - | Zweigen Kanazawa | 4:1 | ||||
| 21. Jornada | 03.07.2021 | RB Omiya Ardija | - | Montedio Yamagata | 1:3 | ||||
| 22. Jornada | 11.07.2021 | Montedio Yamagata | - | Matsumoto Yamaga | 1:0 | ||||
| 23. Jornada | 17.07.2021 | Júbilo Iwata | - | Montedio Yamagata | 1:2 |
Brasil