Home History
| Croatia 1.NL | 2021/05/29 15:30 | NK Opatija v Bijelo Brdo | D | 2-2 |
| Croatia 1.NL | 2021/05/23 15:30 | Dinamo Zagreb II v NK Opatija | D | 2-2 |
| Croatia 1.NL | 2021/05/16 15:30 | NK Croatia Zmijavci v NK Opatija | W | 1-3 |
| Croatia 1.NL | 2021/05/12 15:30 | NK Opatija v NK Kustosija | D | 0-0 |
| Croatia 1.NL | 2021/05/07 15:00 | Inter Zapresic v NK Opatija | L | 3-0 |
| Croatia 1.NL | 2021/05/01 15:00 | NK Opatija v NK Medimurje Cakovec | D | 1-1 |
| Croatia 1.NL | 2021/04/28 15:00 | NK Opatija v NK Hrvatski Dragovoljac | D | 0-0 |
| Croatia 1.NL | 2021/04/24 15:00 | NK Dugopolje v NK Opatija | D | 0-0 |
Away History
| Friendlies | 2021/07/02 17:00 | Istra 1961 v El Salvador | L | 0-1 |
| Croatia HNL | 2021/05/22 15:00 | NK Osijek v Istra 1961 | L | 2-1 |
| Croatia Cup | 2021/05/19 18:00 | Dinamo Zagreb v Istra 1961 | L | 6-3 |
| Croatia HNL | 2021/05/15 15:00 | Istra 1961 v Slaven Belupo | W | 1-0 |
| Croatia HNL | 2021/05/11 15:00 | Istra 1961 v NK Lokomotiva Zagreb | D | 1-1 |
| Croatia HNL | 2021/05/07 15:05 | HNK Sibenik v Istra 1961 | L | 1-0 |
| Croatia HNL | 2021/05/02 15:00 | Istra 1961 v HNK Gorica | L | 0-2 |
| Croatia HNL | 2021/04/26 16:00 | NK Varazdin v Istra 1961 | D | 1-1 |