| 17. Ronde | 05.06.2021 | Blaublitz Akita | - | FC Ryūkyū | 1:1 | ||||
| 18. Ronde | 13.06.2021 | FC Ryūkyū | - | Giravanz Kitakyushu | 3:0 | ||||
| 19. Ronde | 19.06.2021 | Fagiano Okayama | - | FC Ryūkyū | 3:0 | ||||
| 20. Ronde | 26.06.2021 | FC Ryūkyū | - | Matsumoto Yamaga | 4:0 | ||||
| 21. Ronde | 03.07.2021 | Zweigen Kanazawa | - | FC Ryūkyū | 1:2 | ||||
| 22. Ronde | 11.07.2021 | FC Ryūkyū | - | SC Sagamihara | 0:1 | ||||
| 23. Ronde | 18.07.2021 | RB Omiya Ardija | - | FC Ryūkyū | 2:2 | ||||
| 24. Ronde | 09.08.2021 | Giravanz Kitakyushu | - | FC Ryūkyū | 1:2 | ||||
| 25. Ronde | 14.08.2021 | FC Ryūkyū | - | Mito HollyHock | 0:1 | ||||
| 30. Ronde | 18.09.2021 | FC Ryūkyū | - | Thespakusatsu Gunma | 0:1 | ||||
| 31. Ronde | 25.09.2021 | Júbilo Iwata | - | FC Ryūkyū | 2:0 | ||||
| 32. Ronde | 02.10.2021 | FC Ryūkyū | - | Fagiano Okayama | 1:1 | ||||
| 33. Ronde | 09.10.2021 | Ventforet Kofu | - | FC Ryūkyū | 1:0 |
Japan