| U20 World Cup 1983 in Mexiko - Appearances as Assistant | ||||
| 04/06/1983 | Uruguay | - | USA | 3:2 |
| 05/06/1983 | Netherlands | - | Brazil | 1:1 |
| U20 World Cup 1983 in Mexiko - Appearances as Assistant | ||||
| 04/06/1983 | Uruguay | - | USA | 3:2 |
| 05/06/1983 | Netherlands | - | Brazil | 1:1 |
| Complete name: | Carlos Alfaro |
| Born: | |
| Place of birth: |
Costa Rica |
| Nationality: |
Costa Rica |