| Friendlies 1972 - Appearances as Referee |  |
 |
 |
||||
| 03/05/1972 | Denmark | - | England | 1:2 | - | - | - |
| Friendlies 1972 - Appearances as Referee | |
|
|
||||
| 03/05/1972 | Denmark | - | England | 1:2 | - | - | - |
| Complete name: | Karl Riegg |
| Born: | 15/11/1929 † 15/04/1995 |
| Place of birth: |
Germany |
| Residence: | Augsburg |
| Nationality: |
Germany |
| Bundesliga (GER) appearances: | 109 |