| KNVB beker 2019/2020 - Appearances as Referee |  |
 |
 |
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| 30/10/2019 | Heracles Almelo | - | RKC Waalwijk | 4:3 | 4 | - | - |
| 17/12/2019 | Fortuna Sittard | - | PEC Zwolle | 3:0 | 6 | - | - |
| 23/01/2020 | IJsselmeervogels | - | Go Ahead Eagles | 6:7 pso | 6 | - | - |
| KNVB beker 2019/2020 - Appearances as Referee | |
|
|
||||
| 30/10/2019 | Heracles Almelo | - | RKC Waalwijk | 4:3 | 4 | - | - |
| 17/12/2019 | Fortuna Sittard | - | PEC Zwolle | 3:0 | 6 | - | - |
| 23/01/2020 | IJsselmeervogels | - | Go Ahead Eagles | 6:7 pso | 6 | - | - |
| Complete name: | Christiaan Bax |
| Born: | 15/06/1988 |
| Place of birth: |
Netherlands |
| Residence: | Hendrik-Ido-Ambacht |
| Nationality: |
Netherlands |