| Champions League 2018/2019 - Appearances as Referee |  |
 |
 |
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| 03/10/2018 | SSC Napoli | - | Liverpool FC | 1:0 | 2 | - | - |
| 07/11/2018 | Manchester City | - | Shakhtar Donetsk | 6:0 | - | - | - |
| Champions League 2018/2019 - Appearances as Referee | |
|
|
||||
| 03/10/2018 | SSC Napoli | - | Liverpool FC | 1:0 | 2 | - | - |
| 07/11/2018 | Manchester City | - | Shakhtar Donetsk | 6:0 | - | - | - |
| Complete name: | Viktor Kassai |
| Born: | 10/09/1975 |
| Place of birth: |
Tatabánya, 
Hungary |
| Residence: | Tatabánya |
| Nationality: |
Hungary |
| Profession: | Reiseverkehrskaufmann |
| Height: | 189 cm |
| Weight: | 79 kg |