Rennes had the chance to win all three points in stoppage time but Steven Nzonzi's header hit the post.
It was immediately clear whether the pair would be replaced.
The South American zone's 2022 World Cup qualifiers had been scheduled to begin in late March but were postponed because of the coronavirus pandemic.
Dortmund pressed forward but had to wait until the 31st minute before the good build-up work and pass into the box from Giovanni Reyna allowed Haaland to break the deadlock with a hammer from close range.
The Blanquirroja are aiming to qualify for their second consecutive World Cup, having ended a 36-year drought to earn a place at the 2018 tournament in Russia.
"Chile is always a very difficult opponent. Every time a new qualifying tournament begins there are different expectations. I'm seeing some new faces and also a few old ones. There are several players that have already had a lot of international experience," he added. Enditem
"We had a good start in each set, but in the second set, when one of the opponents left the court with an injury, I felt our players relaxed a bit mentally. Then I asked for a time out to prevent our team from losing ground. There is no doubt that we played well in the last two sets," said Tianjin head coach Wang Baoquan.
"They're the best team in the league, and proved it today," said Shandong coach Luka Sjekloca.
Serge Aurier added a fifth soon after the break, and a Kane penalty 10 minutes from time rounded off the scoring in a game that could leave Solskjaer's job at risk.
Thanks to the third-round win, Wuhan moved atop the championship group standings with six points.
The 2018 champion lost to Anisimova in the quarterfinals in Paris last year, but this time the Romanian needed only 54 minutes to complete a convincing victory.