| 1. Round | 22/08/1998 | VVV | - | ADO Den Haag | 2:0 | ||||
| 1. Round | 29/08/1998 | ADO Den Haag | - | Telstar | 2:2 | ||||
| 2. Round | 07/09/1998 | Heracles Almelo | - | ADO Den Haag | 2:2 | ||||
| 2. Round | 27/09/1998 | SBV Excelsior | - | ADO Den Haag | 4:2 | ||||
| 3. Round | 24/10/1998 | RBC Roosendaal | - | ADO Den Haag | 3:1 | ||||
| 3. Round | 31/10/1998 | ADO Den Haag | - | HFC Haarlem | 2:1 | ||||
| 4. Round | 07/11/1998 | BV Veendam | - | ADO Den Haag | 1:0 |  |
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| 7. Round | 20/02/1999 | ADO Den Haag | - | TOP Oss | 1:1 | ||||
| 7. Round | 24/02/1999 | ADO Den Haag | - | Heracles Almelo | 0:2 |
Netherlands