The friendly match was held in Hoa Xuan Stadium as one of the activities to celebrate 35 years of diplomatic relations between Brazil and Vietnam.
The 20,000-seat stadium was half full, with last-minute tickets discounted to VND500,000 (US$20) in the black market.
Rivaldo (C) is the prominent member of the Brazilian squad, winning Ballon d'Or and named FIFA World Player of the Year in 1999.
His teammates include Kleberson, Giovanni, Edmilson, Paulo Sergio, Rivaldo, Ze Carlos, Igor, Renan, Wallace, Andrey, Vitor, Diogo, Caio, and Alexsandro.
Their coach is Dunga, who managed Brazil's national football team during 2006-2010 and 2014-2016, and was the captain of the 1994 World Cup winning team.
Vietnamese team have Huynh Duc who won Vietnamese Golden Ball three times in 1995, 1997, 2002, Hong Son who won the honor in 1998 and 2001, and Cong Vinh who won the Golden Ball in 2004, 2006, 2007 before claiming the AFF championship with Vietnam in 2008.
Rivaldo (R) takes a shot in the game.
Brazil put early pressure against Vietnam and often created relevant chances that threatened the hosts' goal.
Renan (L) moves before scoring for Brazil in the 6th minute. He scored a hat-trick and made one assist during the game.
Huynh Duc (L), now coach of Binh Duong football club and one of the top scorers of this time, scored Vietnam's only goal in the 33rd minute.
Huynh Duc (L) hugs Dunga after leaving the pitch in the second half after being subbed out due to injury.
Dunga replaces Rivaldo near the end of the second half, then spending most of his time on the pitch observing and smiling at Vietnamese players.