| U20 World Cup 1999 Nigeria - Appearances as Assistant | ||||
| 04/04/1999 | Argentina | - | Kazakhstan | 1:0 |
| 07/04/1999 | Ghana | - | Argentina | 1:0 |
| 10/04/1999 | Ghana | - | Kazakhstan | 3:0 |
| 14/04/1999 | Ghana | - | Costa Rica | 2:0 |
| 18/04/1999 | Mali | - | Nigeria | 3:1 |
| U20 World Cup 1999 Nigeria - Appearances as Assistant | ||||
| 04/04/1999 | Argentina | - | Kazakhstan | 1:0 |
| 07/04/1999 | Ghana | - | Argentina | 1:0 |
| 10/04/1999 | Ghana | - | Kazakhstan | 3:0 |
| 14/04/1999 | Ghana | - | Costa Rica | 2:0 |
| 18/04/1999 | Mali | - | Nigeria | 3:1 |
| Complete name: | Pétur Sigurðsson |
| Born: | 02/07/1964 |
| Place of birth: |
Iceland |
| Nationality: |
Iceland |