| 1. Round | 02/09/2020 | NK Međimurje | - | NK Rudeš | 4:0 | ||||
| 2. Round | 05/09/2020 | NK Rudeš | - | NK Inter Zaprešić | 1:1 | ||||
| 4. Round | 12/09/2020 | NK Rudeš | - | NK Opatija | 1:2 | ||||
| 5. Round | 16/09/2020 | Dinamo Zagreb II | - | NK Rudeš | 3:0 | ||||
| 6. Round | 19/09/2020 | NK Rudeš | - | NK BSK Bijelo Brdo | 1:1 | ||||
| 8. Round | 30/09/2020 | NK Rudeš | - | NK Sesvete | 2:4 | ||||
| 14. Round | 20/11/2020 | Hrvatski Dragovoljac | - | NK Rudeš | 0:1 | ||||
| 7. Round | 25/11/2020 | NK Rudeš | - | Hajduk Split II | 4:2 | ||||
| 15. Round | 30/11/2020 | NK Rudeš | - | NK Osijek II | 1:0 | ||||
| 16. Round | 05/12/2020 | NK Junak Sinj | - | NK Rudeš | 0:2 | ||||
| 17. Round | 12/12/2020 | NK Rudeš | - | NK Dugopolje | 0:0 | ||||
| 18. Round | 13/02/2021 | NK Rudeš | - | NK Međimurje | 6:1 | ||||
| 28. Round | 25/04/2021 | HNK Cibalia | - | NK Rudeš | 0:2 | ||||
| 32. Round | 16/05/2021 | NK Osijek II | - | NK Rudeš | 2:3 | ||||
| 34. Round | 29/05/2021 | NK Dugopolje | - | NK Rudeš | 1:3 |  |
Croatia