| 2. Divisie | 22/09/18 | Koninklijke HFC | - | Kozakken Boys | 3:2 | ||||
| 2. Divisie | 15/12/18 | Jong Almere City FC | - | Kozakken Boys | 2:1 |  |
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| 2. Divisie | 23/03/19 | Kozakken Boys | - | Excelsior Maassluis | 0:2 |  |
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| 2. Divisie | 18/05/19 | Kozakken Boys | - | Koninklijke HFC | 1:2 | ||||
| 2. Divisie | 12/10/19 | Sparta Rotterdam (J) | - | Kozakken Boys | 1:0 | ||||
| 2. Divisie | 23/11/19 | Kozakken Boys | - | ASWH Ido-Ambacht | 3:0 | |
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| 2. Divisie | 07/03/20 | Excelsior Maassluis | - | Kozakken Boys | 1:0 | ||||
| 2. Divisie | 19/09/20 | Kozakken Boys | - | IJsselmeervogels | 4:1 | |
Netherlands