Playing in place of the injured striker Kim Shin-Wook, substitute Bi Jinhao seized the opportunity with a close-range shot in the 25th minute and added a second goal on 41 minutes to ensure Shenhua on course grasping the last spot to race for championship.
Midfielder Unai Lopez scored twice as Athletic Club Bilbao won 2-1 away to Eibar.
The swimmers' performances at the championships will act as an important reference for their qualification for next year's Tokyo Olympic Games. Enditem
"Of course, I will make sure I don't make the same mistake twice," he added.
There was controversy before the race had even started, as it emerged that Hamilton was under investigation for making two practise starts outside the permitted area of the pit lane on his way to the starting grid.
The 62-year-old didn't exclude himself from the solution after leaving RB Leipzig eight weeks ago.
Elsewhere on Sunday, Goias drew 2-2 at Ceara and Atletico Goianiense were held to a 1-1 home draw by Botafogo. Enditem
"The point is to score goals, not hit the crossbar or post. It sometimes happens to us as well. We can do much better, especially on the goals we conceded," commented the Portuguese after the final whistle.
Last season's WCBA league saw an earlier conclusion than originally scheduled due to the COVID-19 pandemic, and Thursday's first round matches ended a nine-month WCBA drought.
It added that Trovato, who has been president of the Asuncion club since 2014, had 10 days to lodge an appeal.
The controversial incident happened in Djokovic's last-16 clash at Flushing Meadows against Spain's Pablo Carreno Busta, as the Serbian smashed a ball in frustration which struck a line judge in the neck, causing her to fall to the ground.