Han Peng's direct corner goal in the 47th minute and Temwa Chawinga's goal in the 81st minute helped Wuhan secure a 4-0 victory, despite a missed penalty by Beatriz Zaneratto Joao in the 78th minute.
Shortly after the second, Xinjiang used another 13-2 spurt to put the game out of sight as Wuhan's shooting froze up.
"My club had been closed for six months due to the COVID-19 pandemic and just reopened a month ago," said Zhang, adding that he has received dozens of reservations for this holiday one week in advance, mostly from young people.
Sydney FC has already begun the search to find a new striker. Enditem
It was Hertha who created the first chance of the game, as Dodi Lukebakio pulled wide from a promising position following a fast break in the 9th minute.
Peru will be without several key players for their opening fixtures against Paraguay and Brazil. The biggest absence will be that of their captain and record scorer Paolo Guerrero, who has been ruled out for the rest of 2020 because of a ruptured anterior cruciate ligament.
Sichuan found its formidable game in the second quarter, responding with a 17-2 run and taking a 41-39 lead going into the second half.
Sunday's rivals are Europa League champions Sevilla, and Koeman's big issue is in defense thanks to the red card shown to Clement Lenglet against Celta on Thursday.
Luo Xinyu bagged 18 points for Jiangsu, who also got 14 points apiece from Xu Chenyan and Jiang Jiayin.
"The COVID-19 pandemic is resurging in a few countries and regions, who tightened their control measures. Postponement or cancelation of events can safeguard the health of athletes and all other participants," Beijing 2022 organizers said in a statement on the official website.
Meanwhile Barca loaned 20-year-old left back Joan Miranda to Betis, while Rafinha Alcantara was sold to Paris Saint Germain for a bargain three million euros and central defender Jean-Clair Todibo (who is not in Koeman's plans) was loaned to Benfica on a two-year deal.