Ubaldo Aquino Valenzano - Football referee
| Copa Sudamericana 2003 | ||||
| 1/4 finals | The Strongest | Sao Paulo | 2003-10-29 | 1 - 4 |
| WC 2006 qualifiers - S. America | ||||
| Argentina | Chile | 2003-09-06 | 2 - 2 | |
| Copa Libertadores 2003 | ||||
| 1/4 finals | Gremio | Ind. Medellin | 2003-05-22 | 2 - 2 |
| group stage | BolÃvar | Gremio | 2003-04-10 | 1 - 0 |
| group stage | Corinthians | Fénix | 2003-04-02 | 6 - 1 |
| group stage | Nacional (UR) | Universitario | 2003-03-19 | 2 - 0 |
| group stage | Racing Club | Oriente Petrolero | 2003-03-12 | 2 - 0 |
| group stage | Colo-Colo | Ind. Medellin | 2003-03-06 | 2 - 1 |
| WC 2002 | ||||
| round of 16 | Sweden | Senegal | 2002-06-16 | 1 - 2 |
| group stage | Germany | Saudi Arabia | 2002-06-01 | 8 - 0 |
| Copa Libertadores 2002 | ||||
| 1/2 finals | São Caetano | América | 2002-07-09 | 2 - 0 |
| group stage | San Lorenzo | Real Potosà | 2002-03-12 | 5 - 1 |
| group stage | Gremio | Oriente Petrolero | 2002-02-28 | 3 - 2 |
| Copa Mercosur 2001 | ||||
| group stage | Peñarol | Talleres | 2001-10-17 | 1 - 3 |
| group stage | Flamengo | San Lorenzo | 2001-09-27 | 2 - 1 |
| group stage | Vélez Sarsfield | Peñarol | 2001-09-18 | 3 - 0 |
| Copa America 2001 | ||||
| final | Mexico | Colombia | 2001-07-29 | 0 - 1 |
| 1/4 finals | Brazil | Honduras | 2001-07-23 | 0 - 2 |
| group stage | Colombia | Ecuador | 2001-07-14 | 1 - 0 |
| WC 2002 qualifiers - Am/Caribbean | ||||
| final round | Jamaica | USA | 2001-06-16 | 0 - 0 |
| Copa Libertadores 2001 | ||||
| 1/2 finals | Boca Juniors | Palmeiras | 2001-06-07 | 2 - 2 |
| 1st knockout | Univ. de Concepción | Vasco da Gama | 2001-05-09 | 1 - 3 |
| group stage | Defensor Sporting | São Caetano | 2001-05-04 | 0 - 1 |
| group stage | Vélez Sarsfield | Universitario | 2001-04-05 | 1 - 0 |
| group stage | Oriente Petrolero | Deportivo Cali | 2001-03-01 | 1 - 3 |
| Copa Mercosur 2000 | ||||
| 1/4 finals | Atlético Mineiro | Boca Juniors | 2000-11-01 | 2 - 0 |
| group stage | San Lorenzo | Peñarol | 2000-10-17 | 1 - 0 |
| group stage | River Plate | Flamengo | 2000-09-26 | 0 - 0 |
| group stage | Vasco da Gama | San Lorenzo | 2000-08-24 | 3 - 0 |
| group stage | Corinthians | Nacional (UR) | 2000-08-02 | 1 - 2 |
| WC 2002 qualifiers - S. America | ||||
| Venezuela | Brazil | 2000-10-08 | 0 - 6 | |
| Ecuador | Colombia | 2000-07-25 | 0 - 0 | |
| Copa Libertadores 2000 | ||||
| 1/4 finals | Atlas | Palmeiras | 2000-05-18 | 0 - 2 |
| 1st knockout | Rosario Central | Corinthians | 2000-05-03 | 3 - 2 |
| group stage | Palmeiras | El Nacional | 2000-04-13 | 4 - 1 |
| group stage | Boca Juniors | Universidad Católica | 2000-03-02 | 2 - 1 |
| Copa Mercosur 1999 | ||||
| 1/2 finals | Flamengo | Peñarol | 1999-11-25 | 3 - 0 |
| group stage | Universidad Católica | Boca Juniors | 1999-10-07 | 1 - 3 |
| group stage | River Plate | Cruzeiro | 1999-09-23 | 0 - 3 |
| Confederations Cup 1999 | ||||
| 3rd place | USA | Saudi Arabia | 1999-08-03 | 2 - 0 |
| group stage | Egypt | Saudi Arabia | 1999-07-29 | 1 - 5 |
| group stage | New Zealand | USA | 1999-07-24 | 1 - 2 |
| Copa America 1999 | ||||
| 1/2 finals | Uruguay | Chile | 1999-07-13 | 1 - 1 |
| 1st stage | Argentina | Colombia | 1999-07-04 | 0 - 3 |
| friendly | ||||
| Chile | Honduras | 2000-03-22 | 5 - 2 | |
| Brazil | Netherlands | 1999-06-08 | 3 - 1 | |
| Argentina | Yugolsavia | 1998-02-24 | 3 - 1 | |
| Argentina | Australia | 1995-06-30 | 2 - 0 | |
| Copa Libertadores 1999 | ||||
| final (2nd leg) | Palmeiras | Deportivo Cali | 1999-06-16 | 2 - 1 |
| 1/2 finals | River Plate | Palmeiras | 1999-05-19 | 1 - 0 |
| 1/8 finals | Corinthians | Jorge Wilstermann | 1999-04-21 | 5 - 2 |
| group stage | Nacional (UR) | Monterrey CF | 1999-03-25 | 2 - 3 |
| Copa CONMEBOL 1998 | ||||
| final | Rosario Central | Santos FC | 1998-10-21 | 0 - 0 |
| Copa Mercosur 1998 | ||||
| 1/2 finals | San Lorenzo | Cruzeiro | 1998-12-02 | 1 - 1 |
| group stage | Cruzeiro | Colo-Colo | 1998-10-15 | 5 - 0 |
| group stage | Palmeiras | Nacional (UR) | 1998-10-01 | 3 - 1 |
| group stage | Independiente | Nacional (UR) | 1998-09-02 | 4 - 3 |
| group stage | San Lorenzo | Colo-Colo | 1998-08-18 | 3 - 0 |
| group stage | Gremio | River Plate | 1998-07-30 | 2 - 3 |
| Copa Libertadores 1998 | ||||
| 1/8 finals | Colón | Olimpia Asuncion | 1998-04-23 | 3 - 2 |
| 1/8 finals | Nacional (UR) | Gremio | 1998-04-15 | 1 - 1 |
| group stage | América | Vasco da Gama | 1998-03-20 | 1 - 1 |
| Super Cup "João Havelange" 1997 | ||||
| final | River Plate | Sao Paulo | 1997-12-17 | 2 - 1 |
| 1/2 finals | River Plate | Atlético Nacional | 1997-11-05 | 2 - 0 |
| group stage | Boca Juniors | Cruzeiro | 1997-09-03 | 1 - 0 |
| WC 1997 u20 | ||||
| 1/4 finals | Japan u20 | Ghana u20 | 1997-06-29 | 1 - 2 |
| round of 16 | Mexico u20 | France u20 | 1997-06-25 | 0 - 1 |
| group stage | Malaysia u20 | Belgium u20 | 1997-06-22 | 0 - 3 |
| group stage | Morocco u20 | Belgium u20 | 1997-06-19 | 1 - 1 |
| WC 1998 qualifiers - Am/Caribbean | ||||
| final stage | USA | Mexico | 1997-04-20 | 2 - 2 |
| Copa Libertadores 1997 | ||||
| 1/2 final | Colo-Colo | Cruzeiro | 1997-07-30 | 3 - 2 |
| group stage | Cruzeiro | Alianza Lima | 1997-03-18 | 2 - 0 |
| group stage | Cerro Porteno | Guaranà | 1997-03-12 | 2 - 2 |
| 1st round | Peñarol | Millonarios | 1997-03-07 | 2 - 1 |
| WC 1998 qualifiers - S. America | ||||
| Argentina | Chile | 1996-12-15 | 1 - 1 | |
| Copa Libertadores 1996 | ||||
| 1/8 finals | Corinthians | Espoli | 1996-05-08 | 2 - 0 |
| 1st round | Peñarol | Universitario | 1996-04-16 | 1 - 2 |
| group stage | Universidad Católica | Corinthians | 1996-03-19 | 2 - 3 |
| group stage | Olimpia Asuncion | Cerro Porteno | 1996-03-13 | 1 - 2 |
| Copa Libertadores 1994 | ||||
| group stage | BolÃvar | Minerven | 1994-03-22 | 4 - 0 |
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