| U20 World Cup 2019 Polen - Appearances as Referee |  |
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 |
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| 24/05/2019 | Qatar | - | Nigeria | 0:4 | 1 | - | - |
| 28/05/2019 | South Africa | - | South Korea | 0:1 | - | - | - |
| 04/06/2019 | Argentina | - | Mali | 4:5 pso | 3 | - | - |
| U20 World Cup 2019 Polen - Appearances as Referee | |
|
|
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| 24/05/2019 | Qatar | - | Nigeria | 0:4 | 1 | - | - |
| 28/05/2019 | South Africa | - | South Korea | 0:1 | - | - | - |
| 04/06/2019 | Argentina | - | Mali | 4:5 pso | 3 | - | - |
| Complete name: | Fernando Guerrero Ramírez |
| Born: | 14/09/1981 |
| Place of birth: |
México, D.F., 
Mexico |
| Nationality: |
Mexico |
| Height: | 170 cm |
| Weight: | 70 kg |