| Champions League 1998/1999 - Appearances as Referee |  |
 |
 |
||||
| 16/09/1998 | RC Lens | - | Arsenal FC | 1:1 | 3 | - | - |
| 04/11/1998 | Galatasaray | - | Rosenborg BK | 3:0 | 3 | - | - |
| 25/11/1998 | Dinamo Kiev | - | Panathinaikos | 2:1 | 2 | - | - |
| 03/03/1999 | Manchester United | - | Inter | 2:0 | 5 | - | - |
| Champions League 1998/1999 - Appearances as Referee | |
|
|
||||
| 16/09/1998 | RC Lens | - | Arsenal FC | 1:1 | 3 | - | - |
| 04/11/1998 | Galatasaray | - | Rosenborg BK | 3:0 | 3 | - | - |
| 25/11/1998 | Dinamo Kiev | - | Panathinaikos | 2:1 | 2 | - | - |
| 03/03/1999 | Manchester United | - | Inter | 2:0 | 5 | - | - |
| Complete name: | Hellmut Heinz Krug |
| Born: | 19/05/1956 |
| Place of birth: |
Gelsenkirchen, 
Germany |
| Nationality: |
Germany |
| Height: | 190 cm |
| Weight: | 86 kg |
| Bundesliga (GER) appearances: | 241 |