| Primera etapa | 07.10.2020 | NK Polet Sveti Martin na Muri | - | NK Istra 1961 | 0:2 |  |
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| Octavos de final | 24.02.2021 | HNK Šibenik | - | NK Istra 1961 | 0:2 | ||||
| Cuartos de final | 16.03.2021 | NK Oriolik | - | NK Istra 1961 | 0:3 | ||||
| Semifinales | 14.04.2021 | NK Istra 1961 | - | HNK Rijeka | 3:2 | ||||
| Final | 19.05.2021 | Dinamo Zagreb | - | NK Istra 1961 | 6:3 |
Croacia