| U20 World Cup 2003 UA Emirates - Appearances as Assistant | ||||
| 28/11/2003 | Brazil | - | Canada | 2:0 |
| 05/12/2003 | Paraguay | - | Germany | 2:0 |
| 09/12/2003 | Brazil | - | Slovakia | 2:1 aet |
| 12/12/2003 | USA | - | Argentina | 1:2 aet |
| U20 World Cup 2003 UA Emirates - Appearances as Assistant | ||||
| 28/11/2003 | Brazil | - | Canada | 2:0 |
| 05/12/2003 | Paraguay | - | Germany | 2:0 |
| 09/12/2003 | Brazil | - | Slovakia | 2:1 aet |
| 12/12/2003 | USA | - | Argentina | 1:2 aet |
| Complete name: | Rafael Guerrero Alonso |
| Born: | 20/04/1963 |
| Place of birth: |
Spain |
| Nationality: |
Spain |