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.
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
Garcia now faces No. 28 seed Jennifer Brady of the United States as she looks to reach the round of 16 for the first time. Enditem
Alaphilippe had led Yates by four seconds when the race was finished and looked to have retained the yellow jersey, but television footage showed him taking a bottle from a Deceuninck-Quick Step team support member with 17.8km to go - under the rules of cycling's world governing body UCI, riders are not allowed to take on food or drink in the final 20km of a race.
It was a bizarre way for the Frenchman to lose the jersey which he had kept for three days after winning the stage two.
"I was really focused each game and each point. Especially against top players, one point can make the difference. So I had to stay very calm and keep going," the world number 50 added.
Nationwide demonstrations against what activists have described as police brutality and systemic racial inequality have broken out over the past few months, particularly after police killed George Floyd and shot Jacob Blake. Enditem
He doubled Flamengo's lead with a low shot that rebounded in off the post before Rodriguinho pegged a goal back for the hosts.
"It's top players, so if you wait for the mistake it's never going to happen," Garcia said. "If you let Pliskova breeze and take your serve, you're never going to make a return, and then it's 6-4, 6-4 and you're done in one hour."
"In the end it got too dark to go for 6.15 meters and I felt it was unsafe to continue any further," said the world silver medalist. "I felt I was in the zone. But you have to be prudent."
With his final stage win, Valter became the overall winner of this year's Tour de Hongrie.