| Europa League 2006/2007 - Appearances as Referee |  |
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| 28/09/2006 | Rangers FC | - | Molde FK | 2:0 | 1 | - | - |
| 23/11/2006 | Feyenoord | - | Blackburn Rovers | 0:0 | 3 | - | - |
| 22/02/2007 | AZ Alkmaar | - | Fenerbahçe | 2:2 | 4 | - | - |
| Europa League 2006/2007 - Appearances as Referee | |
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| 28/09/2006 | Rangers FC | - | Molde FK | 2:0 | 1 | - | - |
| 23/11/2006 | Feyenoord | - | Blackburn Rovers | 0:0 | 3 | - | - |
| 22/02/2007 | AZ Alkmaar | - | Fenerbahçe | 2:2 | 4 | - | - |
| Complete name: | Knut Kircher |
| Born: | 02/02/1969 |
| Place of birth: |
Germany |
| Residence: | Rottenburg |
| Nationality: |
Germany |
| Profession: | Maschinenbauingenieur |
| Club: | TSV Hirschau |
| Height: | 196 cm |
| Weight: | 93 kg |
| Bundesliga (GER) appearances: | 244 |