In the women's draw, top seed Simona Halep of Romania beat Ukraine's Dayana Yastremska 7-5, 6-4.
The Changchun team went ahead in the ninth minute with a header from Tan Long.
The two sides went into the game with a point separating them; with Al-Nassr in second place with four points needing a win to keep them at arm's length from third-placed Sepahan.
The 46-year-old talked about the efforts to, in the future, find talented young Chinese players to join the club in the Rhine-Ruhr-region.
Qingdao rank seventh with three games left in the Suzhou division, trailing Wuhan Zall, who rank fourth by nine points. Considering that Wuhan had defeated Qingdao twice in the season, it was impossible for the champions of the 2019 season second-tier league to reach the last eight round.
Tractor parted company with Saket Elhami recently and signed a 3-year deal with Mansourian for an undisclosed fee.
The other match in Group A between Al-Wahda of the United Arab Emirates and Iran's Esteghlal FC was abandoned.
Gilvan Correa pulled a late goal back for the hosts with a stoppage-time header following an Everton Felipe corner.
On Friday, Persepolis beat Al-Taawoun 1-0 in Group C of the 2020 AFC Champions League thanks to Resan's penalty.
The English, Spanish and German press on Thursday all reported that Liverpool have agreed to a fee of around 30 million euros for Bayern Munich's Spanish international midfielder Thiago Alcantara.
Rain grew heavier at night, causing trouble for every athlete, but Asian record holder Xie still showed his dominance in the men's 200m. The 27-year-old took the lead all the way, rushing to the finish line in 20.72 seconds.