The game was decided with the final possession. After Li Jinjun converted one of two free throws, Shaanxi went up 80-78 with 11.3 seconds remaining. On the ensuing possession, Wuhan's Liang Juanzhi missed a jumper that could have sent the match into overtime.
The game started with Inner Mongolia taking a 24-10 lead in the first quarter. Hebei tried to fight back in the second period, only to see Inner Mongolia pull away with a 34-14 third quarter.
Hao, former assistant coach and technical director of Luneng, will be the club's new head coach.
Earlier on the Court Philippe-Chatrier, men's singles third seed, Dominic Thiem claimed another straight-set victory over 28th seed Casper Ruud, beating the Norwegian 6-4, 6-3, 6-1 to set up a last-16 clash against the winner between 2015 champion Stan Wawrinka and Hugo Gaston.
Facing Tianjin, Jiangsu set the tone in the first quarter with a 29-7 run, letting its reserves finish off a 106-59 win.
Fiorentina loanee Pedro put the hosts ahead with a low strike before Bruno Henrique converted from the penalty spot after a Leo Gomes handball.
Fujian cut the deficit to nine points in the third period, but their fightback was halted by Dong and Huang's combined efforts inside-out, and they could not truly threaten Zhejiang thereafter.
The 2014 world champion has been hit with full vigour by the unpleasant effects of the COVID-19 pandemic.
"I'm very happy. It was a great match, I didn't make any mistakes. Casper is a really great player, very attractive to play, I think there were many good rallies, it was a good match from both of us," said the newly-crowned US open champion.
"We didn't deal well with some details in the first half and conceded many errors," added the Chinese international.
Universidad Catolica midfielder Jose Carabali also earned his first national call-up for the matches in Buenos Aires on October 8 and Quito five days later.