| U20 Campeonato Sudamericano 2023 Colombia - Appearances as Referee |  |
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| 19/01/2023 | Peru | - | Brazil | 0:3 | 2 | - | - |
| 28/01/2023 | Colombia | - | Argentina | 1:0 | 5 | - | - |
| 06/02/2023 | Paraguay | - | Brazil | 0:2 | 4 | - | - |
| U20 Campeonato Sudamericano 2023 Colombia - Appearances as Referee | |
|
|
||||
| 19/01/2023 | Peru | - | Brazil | 0:3 | 2 | - | - |
| 28/01/2023 | Colombia | - | Argentina | 1:0 | 5 | - | - |
| 06/02/2023 | Paraguay | - | Brazil | 0:2 | 4 | - | - |
| Complete name: | Guillermo Enrique Guerrero Alcívar |
| Born: | 00/00/1985 |
| Place of birth: |
Ecuador |
| Nationality: |
Ecuador |