| Champions League 2011/2012 - Appearances as Referee |  |
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 |
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| 14/09/2011 | AFC Ajax | - | Olympique Lyon | 0:0 | 2 | - | - |
| 02/11/2011 | Inter | - | Lille OSC | 2:1 | 3 | - | - |
| 23/11/2011 | AC Milan | - | FC Barcelona | 2:3 | 6 | 1 | - |
| Champions League 2011/2012 - Appearances as Referee | |
|
|
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| 14/09/2011 | AFC Ajax | - | Olympique Lyon | 0:0 | 2 | - | - |
| 02/11/2011 | Inter | - | Lille OSC | 2:1 | 3 | - | - |
| 23/11/2011 | AC Milan | - | FC Barcelona | 2:3 | 6 | 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 |