Home History
| Netherlands Tweede Divisie | 2023/09/16 13:00 | Rijnsburgse Boys v ADO '20 | W | 0-1 |
| Netherlands Tweede Divisie | 2023/09/09 13:00 | ADO '20 v Scheveningen | W | 4-1 |
| Netherlands Tweede Divisie | 2023/09/03 12:30 | De Treffers v ADO '20 | L | 3-0 |
| Netherlands Tweede Divisie | 2023/08/26 13:30 | Sparta Rotterdam Reserves v ADO '20 | W | 0-1 |
| Netherlands Tweede Divisie | 2023/08/19 13:00 | ADO '20 v GVVV Veenendaal | D | 2-2 |
| Europe Friendlies | 2023/07/11 18:00 | Telstar v ADO '20 | L | 2-1 |
| Netherlands Derde Divisie | 2023/05/28 12:00 | VV UNA v ADO '20 | W | 1-3 |
| Netherlands Derde Divisie | 2023/05/07 12:00 | ADO '20 v JOS Watergraafsmeer | W | 5-0 |
Away History
| Netherlands Tweede Divisie | 2023/09/16 13:30 | Katwijk v Spakenburg | L | 1-4 |
| Netherlands Tweede Divisie | 2023/09/09 13:00 | Kozakken Boys v Katwijk | W | 1-2 |
| Netherlands Tweede Divisie | 2023/09/02 12:00 | Katwijk v Noordwijk | D | 2-2 |
| Netherlands Tweede Divisie | 2023/08/26 13:30 | Almere City Reserves v Katwijk | W | 0-1 |
| Netherlands Tweede Divisie | 2023/08/19 13:30 | Katwijk v FC Lisse | W | 3-1 |
| Europe Friendlies | 2023/08/08 17:45 | Katwijk v TOGB | L | 1-2 |
| Europe Friendlies | 2023/08/05 10:00 | Katwijk v FC Utrecht Reserves | D | 1-1 |
| Club Friendly List | 2023/07/29 13:30 | Katwijk v Telstar | W | 3-0 |