Matches Directed by Referee Piero Maza, Chile and Results, Referee Career
| Time | Status | Home | Score | Away | |||
|---|---|---|---|---|---|---|---|
 - ( ) |
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| 30/03/2025 18:00 | FT | Huachipato | 3-1 | D. La Serena | |||
| 09/03/2025 02:30 | FT | A. Italiano | 3-1 | Deportes Limache | |||
| - ( ) |
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| 06/03/2025 01:00 | FT | FBC Melgar | 0-1 | Cerro Porteno | |||
| 26/02/2025 03:30 | PEN | Boca Juniors | 2-1 PS : 4-5 |
Alianza Lima | |||
 World - World Cup - Qualification South America ( Cup ) |
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| 20/11/2024 03:45 | FT | Brazil | 1-1 | Uruguay | |||
| 16/10/2024 02:00 | FT | Paraguay | 2-1 | Venezuela | |||
| 10/09/2024 23:30 | FT | Colombia | 2-1 | Argentina | |||
 Chile - Primera División ( League ) |
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| 10/08/2024 22:00 | FT | Universidad de Chile | 0-0 | Colo Colo | |||
 World - CONMEBOL Sudamericana ( Cup ) |
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| 04/04/2024 03:00 | FT | Nacional Potosí | 0-0 | Boca Juniors | |||
| World - World Cup - Qualification South America ( Cup ) |
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| 22/11/2023 03:30 | FT | Brazil | 0-1 | Argentina | |||
| 12/10/2023 23:30 | FT | Colombia | 2-2 | Uruguay | |||
 Saudi-Arabia - Pro League ( League ) |
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| 14/09/2023 18:00 | FT | Al Akhdoud | 0-1 | Al-Ittihad FC | |||
 World - CONMEBOL Libertadores ( Cup ) |
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| 02/08/2023 01:00 | FT | Argentinos JRS | 1-1 | Fluminense | |||
| Chile - Primera División ( League ) |
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| 08/07/2023 19:30 | FT | Huachipato | 1-2 | Universidad de Chile | |||
 World - World Cup - U20 ( Cup ) |
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| 24/05/2023 21:00 | FT | Italy U20 | 0-2 | Nigeria U20 | |||
 World - CONMEBOL Sudamericana ( Cup ) |
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| 19/04/2023 03:00 | FT | Estudiantes L.P. | 4-0 | Tacuary | |||
| 05/04/2023 05:00 | FT | Millonarios | 3-0 | Defensa Y Justicia | |||
| Chile - Primera División ( League ) |
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| 01/04/2023 23:30 | FT | Palestino | 3-2 | Magallanes | |||
| 29/01/2023 18:00 | FT | Huachipato | 2-1 | Cobresal | |||
| Chile - Primera División ( League ) |
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| 06/11/2022 22:00 | FT | Antofagasta | 0-2 | U. Catolica | |||
| 01/10/2022 02:00 | FT | Union La Calera | 2-0 | Coquimbo Unido | |||
| 15/09/2022 21:30 | FT | Palestino | 1-2 | Universidad de Chile | |||
| 29/08/2022 00:30 | FT | Union La Calera | 2-1 | Colo Colo | |||
| 31/07/2022 20:30 | FT | Universidad de Chile | 1-3 | Colo Colo | |||
 World - CONMEBOL Libertadores ( Cup ) |
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| 27/05/2022 03:00 | FT | Boca Juniors | 1-0 | Deportivo Cali | |||
| Chile - Primera División ( League ) |
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| 09/05/2022 22:00 | FT | Cobresal | 0-0 | Everton de Vina | |||
 World - CONMEBOL Sudamericana ( Cup ) |
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| 29/04/2022 03:30 | FT | Oriente Petrolero | 1-3 | Junior | |||
| 10/03/2022 03:30 | FT | Ayacucho FC | 2-0 | Sport Boys | |||
| Chile - Primera División ( League ) |
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| 12/02/2022 02:30 | FT | Everton de Vina | 2-0 | Coquimbo Unido | |||
| Chile - Primera División ( League ) |
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| 29/11/2021 00:00 | FT | Colo Colo | 0-1 | Union Espanola | |||
| 07/11/2021 22:00 | FT | O'Higgins | 1-1 | Nublense | |||
| 04/10/2021 00:00 | FT | Universidad de Chile | 2-2 | Antofagasta | |||
| 28/08/2021 22:00 | FT | Palestino | 3-0 | U. Catolica | |||
| 15/08/2021 23:30 | FT | Universidad de Chile | 0-2 | Cobresal | |||
| 09/08/2021 03:00 | FT | Union La Calera | 1-0 | Everton de Vina | |||
| 02/08/2021 03:00 | FT | D. Melipilla | 2-4 | Colo Colo | |||
 World - CONMEBOL Libertadores ( Cup ) |
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| 22/07/2021 01:15 | FT | Barcelona SC | 3-1 | Velez Sarsfield | |||
| 19/05/2021 03:30 | FT | Universitario | 3-2 | Independiente del Valle | |||
| 06/05/2021 01:00 | FT | Racing Club | 0-0 | Sao Paulo | |||
 World - CONMEBOL Sudamericana ( Cup ) |
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| 30/04/2021 03:30 | FT | Lanus | 1-2 | Gremio | |||
| 21/04/2021 03:30 | FT | Aucas | 0-1 | Atletico Paranaense | |||
| Chile - Primera División ( League ) |
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| 18/04/2021 18:00 | FT | Cobresal | 2-1 | Santiago Wanderers | |||
| World - CONMEBOL Sudamericana ( Cup ) |
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| 07/04/2021 03:30 | FT | Huachipato | 3-0 | Antofagasta | |||
| Chile - Primera División ( League ) |
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| 28/03/2021 16:45 | FT | Palestino | 2-4 | Antofagasta | |||
| Chile - Primera División ( League ) |
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| 15/11/2020 00:30 | FT | Union Espanola | 3-2 | Union La Calera | |||
| 31/10/2020 22:00 | FT | Curico Unido | 1-0 | Palestino | |||
| 21/10/2020 22:00 | FT | Universidad de Chile | 2-2 | A. Italiano | |||
 World - CONMEBOL Libertadores ( Cup ) |
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| 17/09/2020 03:30 | FT | Bolívar | 1-2 | Palmeiras | |||
| Chile - Primera División ( League ) |
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| 15/03/2020 18:00 | FT | Coquimbo Unido | 0-3 | Deportes Iquique | |||
 World - CONMEBOL Sudamericana ( Cup ) |
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| 12/02/2020 01:15 | FT | Atletico Grau | 1-2 | CA River Plate | |||
