Guido Aros - Football referee
| Copa Libertadores 2003 | ||||
| group stage | The Strongest | Cruz Azul | 2003-04-03 | 2 - 1 |
| group stage | Peñarol | BolÃvar | 2003-03-18 | 4 - 0 |
| group stage | Emelec | Deportivo Cali | 2003-02-25 | 0 - 4 |
| Copa Sudamericana 2002 | ||||
| 1st stage | BolÃvar | Libertad | 2002-09-19 | 2 - 0 |
| Copa Libertadores 2002 | ||||
| group stage | BolÃvar | América de Cali | 2002-02-20 | 1 - 1 |
| Copa Merconorte 2001 | ||||
| 1/2 finals | Emelec | Santos Laguna | 2001-12-06 | 4 - 1 |
| Copa Mercosur 2001 | ||||
| group stage | Corinthians | Independiente | 2001-07-29 | 2 - 1 |
| WC 2001 u20 | ||||
| round of 16 | France u20 | Germany u20 | 2001-06-27 | 3 - 2 |
| group stage | Egypt u20 | Jamaica u20 | 2001-06-17 | 0 - 0 |
| Copa Libertadores 2001 | ||||
| group stage | Vasco da Gama | América de Cali | 2001-04-12 | 4 - 1 |
| group stage | River Plate | Guaranà | 2001-03-06 | 4 - 0 |
| group stage | Defensor Sporting | Olmedo | 2001-02-14 | 3 - 2 |
| Copa Mercosur 2000 | ||||
| 1/4 finals | Boca Juniors | Atlético Mineiro | 2000-11-07 | 2 - 2 |
| group stage | Flamengo | Vélez Sarsfield | 2000-10-24 | 2 - 0 |
| group stage | Peñarol | Atlético Mineiro | 2000-09-27 | 2 - 2 |
| group stage | Olimpia Asuncion | Nacional (UR) | 2000-09-20 | 4 - 3 |
| group stage | Rosario Central | Cerro Porteno | 2000-08-10 | 2 - 1 |
| WC 2002 qualifiers - S. America | ||||
| Venezuela | Colombia | 2001-04-24 | 2 - 2 | |
| Brazil | Bolivia | 2000-09-03 | 5 - 0 | |
| Copa Libertadores 2000 | ||||
| 1/4 finals | BolÃvar | América | 2000-05-25 | 1 - 2 |
| group stage | Bella Vista | Atlético Mineiro | 2000-04-18 | 1 - 0 |
| group stage | América | LDU Quito | 2000-03-14 | 1 - 0 |
| friendly tournament | ||||
| Chile | Slovakia | 2000-02-15 | 0 - 2 | |
| Copa Sudamericana u23 2000 | ||||
| group stage | Uruguay OT | Paraguay OT | 2000-01-25 | 1 - 0 |
| group stage | Argentina OT | Peru OT | 2000-01-20 | 1 - 1 |
| Copa Mercosur 1999 | ||||
| group stage | Corinthians | Vélez Sarsfield | 1999-10-05 | 2 - 0 |
| group stage | Vasco da Gama | Nacional (UR) | 1999-08-03 | 1 - 0 |
| Copa Libertadores 1999 | ||||
| 1/8 finals | Nacional (UR) | Cerro Porteno | 1999-04-21 | 2 - 1 |
| group stage | Blooming | LDU Quito | 1999-04-09 | 3 - 1 |
| Copa Sudamericana u20 1999 | ||||
| final stage | Peru u20 | Argentina u20 | 1999-01-19 | 0 - 5 |
| group stage | Brazil u20 | Colombia u20 | 1999-01-08 | 3 - 1 |
| Copa Libertadores 1998 | ||||
| 1/2 finals | River Plate | Vasco da Gama | 1998-07-22 | 1 - 1 |
| group stage | Colo-Colo | Universidad Católica | 1998-02-25 | 3 - 2 |
| Copa CONMEBOL 1997 | ||||
| 1/4 finals | Lanús | Vitoria | 1997-10-15 | 3 - 1 |
| Super Cup "João Havelange" 1997 | ||||
| group stage | Estudiantes | Atlético Nacional | 1997-08-27 | 1 - 0 |
| Copa Sudamericana u17 1997 | ||||
| group stage | Ecuador u17 | Peru u17 | 1997-03-08 | 2 - 2 |
| group stage | Argentina u17 | Venezuela u17 | 1997-03-02 | 6 - 0 |
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