Messi scored the only goal of the match by converting a first-half penalty as the Albiceleste started their campaign with a gritty, if not entirely convincing, home victory at La Bombonera.
"If I gave up at first, I would not have got the chance at a later stage," she pointed out.
"Jiangsu's team chemistry is better than us, as they have played for quite a long time. We suffered some problems in our defense, and didn't restrain their character," Xinjiang coach Gao Fengjuan lamented. Enditem
"It was the first game. We have to keep working and aspiring because we've only taken one small step," he added. Enditem
Bolivia couldn't take a trick and Jose Carrasco gifted Brazil their fourth goal by deflecting a Philippe Coutinho cross into his own net.
The Serb restored himself in the decider and played more aggressively on his return to seal it 6-1. The 33-year-old has shown his great ability when played under pressure in recent two weeks as he saved 76 percent break points en route to Sunday's final.
Behind the top three, Racing Point's Sergio Perez finished a solid fourth, followed by the McLaren of Carlos Sainz, Pierre Gasly's AlphaTauri and Charles Leclerc in his Ferrari.
Messi put the hosts ahead in the 13th minute at La Bombonera after Lucas Ocampos was scythed down by Pervis Estupinan after a driving run into the penalty area. The 33-year-old now has 71 goals in 139 appearances for the Albiceleste.
"Two days ago, the Polish team received information that two members of the German national team, training at the same facilities, are infected with the coronavirus. We immediately decided that our entire team should be tested," explained Niedzwiedzki.
But in a statement, the AFA said the 26-year-old did not travel with the Albiceleste squad to Bolivia and would continue to receive treatment in Buenos Aires.
Trailing by seven points early in the last quarter, Henan improved its performance on both ends to complete a comeback.