Aquino, Ubaldo

FIFA Arbitrator in 1995-2003 ^{[2] [3]} . Served the games of the 1999 Confederations Cup ^[4] , the 2002 World Cup ^[5] , two America's Cups 1999 ^[6] and 2001 (in 2001 he judged the final). ^[7] , as well as the qualification meetings of the 1998 World Championships ^[8] , 2002 ^[9] and 2006 ^[3] , as well as the 1997 World Youth Championships ^[10] .

After completing his career, Aquino worked as a referee coordinator for the Paraguayan Football Association in 2007-2014 ^{[11] [12] [13]} .

America's Cup

• July 4, 1999 ;   Argentina 0: 3   Colombia Feliciano Cáceres , Luque , Paraguay .
• July 13, 1999 ;   Uruguay 1: 1 (Pen. 5: 3)   Chile Defensores del Chaco , Asuncion , Paraguay .
• July 14, 2001 ;   Colombia 1: 0   Ecuador Metropolitan Roberto Melendez , Barranquilla .
• July 23, 2001 ;   Brazil 0: 2   Honduras . Palogrande , Manizales .
• July 29, 2001 ;   Colombia 1: 0   Mexico Nemesio Camacho El Campin , Bogota .

World Championship

• June 1, 2002 ;   Germany 8: 0   Saudi Arabia . Sapporo Dome , Sapporo ^[14] .
• June 16, 2002 ;   Sweden 1: 2   Senegal . Oita Bank Dome , Oita ^[15] .

Aquino was criticized for his refereeing in the semifinal of the 2001 Libertadores Cup between the Brazilian Palmeiras and the Argentinean Boca Juniors . The game took place at the Bomboner stadium in La Boca , a suburb of Buenos Aires , and ended with a score of 2: 2 ^{[16] [17]} . In 2016, former Palmeiras mentor Celso Roth told ESPN Brasil that the referee confessed to him in his biased refereeing after the game ended, even before the team got to Ezeiza Airport ^[18] .