Rondon continued to demonstrate his prowess in the second half. In the 48th minute, the Venezuelan striker assisted Swedish winger Sam Larsson to stretch the lead for Dalian.
In women's singles, top seed Pliskova of the Czech Republic was upset by France's Caroline Garcia in the second round.
Fiorentina loanee Pedro put the visitors ahead in just the second minute by pouncing on an errant pass and sliding home from close range.
Under the terms of the four-year agreement, TCL is granted exclusivity in the categories of home appliances including TVs, refrigerators, washing machines and air conditioners.
The Tour, which was moved from its original date in July due to the COVID-19 pandemic, ends in Paris on September 20. The next stage is a 191km ride from Le Teil to Mont Aigoual. Enditem
Luis Enrique's team left it late and flabbergasted the hosts when Moreno flicked on a cross before Gaya poked home with a turn shot from very close range in the closing seconds of injury-time.
He doubled Flamengo's lead with a low shot that rebounded in off the post before Rodriguinho pegged a goal back for the hosts.
The organizers designed a route with a 17km climb before the finish line, which seemed like it might bring about some interesting developments on the rugged, narrow mountain road.
"His ability to see space, time his movements and read the game will really complement the qualities that we have in midfield and his arrival really strengthens the depth of talent we have in that position," Solskjaer told the club website.
"I cannot begin to explain how incredible an opportunity it is to join a club with such an amazing history. I would like to thank everyone at Ajax, I grew up there and I will always have a special bond with the club. I am now ready to take the next step in my career and perform at the highest level and there is no higher standard than Manchester United," said Van de Beek on the Manchester United website.
Meanwhile United coach Ole Gunnar Solskjaer commented that he was pleased with what the talented playmaker could bring to his team.