Boca had 68% of possession and seven shots on target to Libertad's one, in what was largely a lopsided contest at La Bombonera.
Shanghai continued their tight control in front of the net in the second set. Although Fujian made several substitutions, they still failed to shake Shanghai's advantage.
Villarreal travels after an easy 3-1 win at home to Alaves and with strikers Paco Alcacer and Gerard Moreno both in excellent form after netting six goals between them in Villarreal's first four games of the season.
Suzhou, in east China's Jiangsu province, will host Final A, while Final B will be staged in Dalian, in northeast China's Liaoning province.
"The event named after our great hero and trailblazing Olympic champion, Kipchoge Keino, will bring together elite athletes from all over the world to compete in various track and field events," he said.
"We have been plagued with injuries during the first stage but grappled with reality," Said Shenhua coach Choi Kang-Hee. "We'll do our best next round."
Three minutes after Changchun was shown a red card in the second half, Sichuan steered a header into the net against the 10-men team. However, from the 65th minute, Gao Di, Tan Long, and Li Guangwen shot three consecutive goals for Changchun in nine minutes to overturn the situation.
This was Inter's first game of the season, as its clash with Benevento was postponed to September 30.
Elsewhere, last season's fourth-placed side Lazio enjoyed a 2-0 away win over Cagliari with goals from Manuel Lazzari and Ciro Immobile.
German record international Lothar Matthaeus recommended Hoffenheim striker Andre Kramaric. The 29-year-old Croatian forward has scored two goals when his side crushed the Bavarians last weekend.
British-born defender Jiang Guangtai, whose English name is Tyias Browning and Brazilian-born striker Fei Nanduo, Fernando, both play for Guangzhou Evergrande. The Chinese Super League defending champions have six players called up to the national team.