| Copa Sudamericana 2003 - Appearances as Referee |  |
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 |
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| 27/08/2003 | Libertad | - | Guaraní | 4:2 pso | 3 | - | - |
| 28/10/2003 | The Strongest | - | São Paulo FC | 1:4 | 5 | - | - |
| Copa Sudamericana 2003 - Appearances as Referee | |
|
|
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| 27/08/2003 | Libertad | - | Guaraní | 4:2 pso | 3 | - | - |
| 28/10/2003 | The Strongest | - | São Paulo FC | 1:4 | 5 | - | - |
| Complete name: | Ubaldo Aquino Valenzano |
| Born: | 02/05/1958 |
| Place of birth: |
Paraguay |
| Nationality: |
Paraguay |
| Height: | 179 cm |
| Weight: | 77 kg |