| 1. Round | 20/09/2017 | SVV Scheveningen | - | AFC Ajax | 1:5 |  |
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| 2. Round | 25/10/2017 | ASV De Dijk | - | AFC Ajax | 1:4 | |
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| Round of 16 | 20/12/2017 | FC Twente | - | AFC Ajax | 6:5 pso |  |
| 1. Round | 20/09/2017 | SVV Scheveningen | - | AFC Ajax | 1:5 | |
|||
| 2. Round | 25/10/2017 | ASV De Dijk | - | AFC Ajax | 1:4 | |
|||
| Round of 16 | 20/12/2017 | FC Twente | - | AFC Ajax | 6:5 pso | |
| Siem Stefan de Jong | |
| Born: | 28.01.1989 |
| Place of birth: |
Aigle, 
Switzerland |
| Nationality: |
Netherlands
|
| Height: | 185 cm |
| Weight: | 76 kg |
| Position(s): | Offensive Midfielder Centre Forward |
| Foot: | right |
