| Friendlies Clubs 2018 - Appearances as Referee |  |
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| 21/07/2018 | FC Groningen | - | FC Emmen | 0:1 | - | - | - |
| 28/07/2018 | Fortuna Sittard | - | Bayer Leverkusen | 0:2 | - | - | - |
| Friendlies Clubs 2018 - Appearances as Referee | |
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| 21/07/2018 | FC Groningen | - | FC Emmen | 0:1 | - | - | - |
| 28/07/2018 | Fortuna Sittard | - | Bayer Leverkusen | 0:2 | - | - | - |
| Complete name: | Serdar Gözübüyük |
| Born: | 29/10/1985 |
| Place of birth: |
Haarlem, 
Netherlands |
| Residence: | Heemstede |
| Nationality: |
Netherlands |