| U20 World Cup 2007 Canada - Appearances as Referee |  |
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| 02/07/2007 | Spain | - | Uruguay | 2:2 | 3 | - | - |
| 05/07/2007 | Costa Rica | - | Japan | 0:1 | 1 | - | - |
| 08/07/2007 | Portugal | - | Gambia | 1:2 | 3 | - | 1 |
| 12/07/2007 | Zambia | - | Nigeria | 1:2 | 1 | - | - |
| 20/07/2007 | Chile | - | Argentina | 0:3 | 7 | 1 | 1 |
| U20 World Cup 2007 Canada - Appearances as Referee | |
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| 02/07/2007 | Spain | - | Uruguay | 2:2 | 3 | - | - |
| 05/07/2007 | Costa Rica | - | Japan | 0:1 | 1 | - | - |
| 08/07/2007 | Portugal | - | Gambia | 1:2 | 3 | - | 1 |
| 12/07/2007 | Zambia | - | Nigeria | 1:2 | 1 | - | - |
| 20/07/2007 | Chile | - | Argentina | 0:3 | 7 | 1 | 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 |