| Europa League | Matches | W | D | L |  |
 |
 |
| home | - | - | - | - | - | - | - |
| away | 1 | 1 | - | - | 1 | - | 1 |
| overall | 1 | 1 | - | - | 1 | - | 1 |
| Europa League | Home | - | Guest | |
|
|
Results |
| 03/10/73 | Grazer AK | - | Panachaiki GE | 1 | - | 1 | 0:1 |
| Europa League | Matches | W | D | L | |
|
|
| home | - | - | - | - | - | - | - |
| away | 1 | 1 | - | - | 1 | - | 1 |
| overall | 1 | 1 | - | - | 1 | - | 1 |
| Europa League | Home | - | Guest | |
|
|
Results |
| 03/10/73 | Grazer AK | - | Panachaiki GE | 1 | - | 1 | 0:1 |
| Complete name: | Karl Keller |
| Born: | 01/04/1923 |
| Place of birth: |
Switzerland |
| Residence: | Basel |
| Nationality: |
Switzerland |