| U20 World Cup 2023 Argentinien - Appearances as Referee |  |
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| 24/05/2023 | Italy | - | Nigeria | 0:2 | 1 | - | - |
| 27/05/2023 | Japan | - | Israel | 1:2 | 7 | 1 | - |
| U20 World Cup 2023 Argentinien - Appearances as Referee | |
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| 24/05/2023 | Italy | - | Nigeria | 0:2 | 1 | - | - |
| 27/05/2023 | Japan | - | Israel | 1:2 | 7 | 1 | - |
| Complete name: | Piero Maza Gómez |
| Born: | 25/10/1984 |
| Place of birth: |
Chile |
| Nationality: |
Chile |