| World Cup 2002 Japan/South Korea - Appearances as Referee |  |
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| 01/06/2002 | Germany | - | Saudi Arabia | 8:0 | 3 | - | - |
| 16/06/2002 | Sweden | - | Senegal | 1:2 aet | 2 | - | - |
| World Cup 2002 Japan/South Korea - Appearances as Referee | |
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| 01/06/2002 | Germany | - | Saudi Arabia | 8:0 | 3 | - | - |
| 16/06/2002 | Sweden | - | Senegal | 1:2 aet | 2 | - | - |
| Complete name: | Ubaldo Aquino Valenzano |
| Born: | 02/05/1958 |
| Place of birth: |
Paraguay |
| Nationality: |
Paraguay |
| Height: | 179 cm |
| Weight: | 77 kg |