Valter, 22, broke free during the final few kilometers and the peloton was unable to catch him.
Fiorentina loanee Pedro put the visitors ahead in just the second minute by pouncing on an errant pass and sliding home from close range.
In women's singles, top seed Pliskova of the Czech Republic was upset by France's Caroline Garcia in the second round.
"Our original partnership was mainly focused on the World Cup in China. We are thrilled that this has now expanded to be a more all-encompassing partnership across all FIBA competitions."
Arrascaeta restored his team's two-goal advantage with a diving header in heavy rain but Jose Pimentel responded with his side's second goal just before halftime.
With the win, Suning leapfrogged Luneng into second place on the table with 17 points from nine games, two points adrift of Fabio Cannavaro's Guangzhou Evergrande who have played one match less.
The 31-year-old's poor relationship with Real Madrid coach Zinedine Zidane is well documented and was made clear when Zidane only used him in two of the 12 games his side played when Spanish football resumed in June after lockdown.
The total number of coronavirus cases in the United States has surpassed 6 million, with national death toll topping 185,000, according to data compiled by Johns Hopkins University.
The women's pole vault event was also won by a Swede, as Angelica Bengtsson finished with a best jump of 4.72 meters. Enditem
"Our development will not be redirected. It is just a strategic adjustment based on reality. We will continue to hand the best services to our fans and partners," it added. Enditem
Luneng, who lost to Dalian Pro 1-0 in the last round, hit the woodwork twice during the game against Suning.