It was immediately clear whether the pair would be replaced.
Al Nassr broke the deadlock with a penalty in the 35th minute before Abdi Mehdi Qara leveled for Persepolis just six minutes later.
Chaux, 28, replaces Napoli keeper David Ospina, who was barred from traveling after two players from the Italian club tested positive for coronavirus, the Colombian Football Federation (FCF) said on Monday.
Meanwhile, Sport Recife won 2-1 at Bahia, their third successive Serie A victory. Hernane and Marcao were on the scoresheet for the visitors while Matheus Saldanha netted for Bahia.
On the Shanghai side, Zhou Yuyan had 11 points, and Han Xu bagged 10.
The 31-year-old, who is to face No. 7 seed Petra Kvitova in the next match, also became the first Chinese singles player since Li Na in 2012 to reach the fourth round at Roland-Garros.
For Zhu Fangyi and his friends, returning to swimming in public waters felt sweeter than ever in this pandemic-disrupted year.
Once again Getafe is off to an excellent start to the season and although its style of football is not always attractive to watch, it is effective as it showed against Betis in midweek.
The Schalke coach promised to find a way to develop strategies to revitalize his players' confidence.
Han Ziqi contributed a game-high 23 points, but her solo effort could not save Tianjin from a big loss.
In the match between Wuhan and Beijing, Beatriz Zaneratto Joao gave Wuhan an early 1-0 lead as she stole the ball from a Beijing defender and hit the ball into the net in the 3rd minute. Wang Xinxin helped Wuhan extend the lead in the 14th minute as she lobbed a pass that flew straight into the net, catching the keeper off guard.