| Europa League 2013/2014 - Appearances as Referee |  |
 |
 |
||||
| 20/02/2014 | PAOK Saloniki | - | SL Benfica | 0:1 | 5 | - | - |
| 03/04/2014 | FC Porto | - | Sevilla FC | 1:0 | 3 | 1 | - |
| Europa League 2013/2014 - Appearances as Referee | |
|
|
||||
| 20/02/2014 | PAOK Saloniki | - | SL Benfica | 0:1 | 5 | - | - |
| 03/04/2014 | FC Porto | - | Sevilla FC | 1:0 | 3 | 1 | - |
| Complete name: | Wolfgang Stark |
| Born: | 20/11/1969 |
| Place of birth: |
Landshut, 
Germany |
| Residence: | Ergolding |
| Nationality: |
Germany |
| Profession: | Bankkaufmann |
| Club: | DJK Altdorf |
| Height: | 190 cm |
| Weight: | 83 kg |
| Bundesliga (GER) appearances: | 344 |