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. Enditem
Tuchel's side have been drawn with Manchester United, Istanbul Basaksehir and RB Leipzig in this season's UEFA Champions League group stage.
Dongguan established a 22-12 advantage after the first quarter, with Dilana scoring 10 points to lead the way.
"It is a very difficult group with Leipzig as the third seed," Tuchel said. "We know how strong they are. We will need to be at our best to go through." Enditem
Also on Sunday, Lille secured a comfortable 3-0 win at Strasbourg thanks to goals from Zeki Celik, Renato Sanches and Burak Yilmaz. Strasbourg has lost five of its six league games since the new season started in August. Enditem
The win, which came as the 35th from 36 matches this season, also ties him with Rafael Nadal for a record 14th Roland Garros quarterfinals appearance.
"I think it was played out at a few points really. These are a few points that rocked the game. I did not know how to seize the opportunities that I had mainly in the first but also in the second set. This is what made the difference today," Burel commented on her performance in brief.
The world No. 4, and two-time finalist at Roland Garros in 2018 and 2019, reached the fourth round in Paris for the five consecutive years.
With Sichuan's offense bogged down, Dongguan retook the lead and delivered the final blow with efficient offensive late in the fourth to make it 78-71.
Outscoring its opponent 28-14 after the first quarter, Jiangsu was never really challenged by Shaanxi over the ensuing three quarters.
The match will be Iran's first game at the national level under the leadership of Dragan Skocic.