Garcia looked untouchable in the first set and for much of the second, blasting 30 winners and breaking Pliskova's serve three times en route to the 6-1, 7-6 (2) victory.
World number one Djokovic struck 51 winners to notch up the win against Edmund, extending his unbeaten run this year to 25 matches.
A product of the Ajax youth academy, Van de Beek made his first-team debut in 2015. In total, he played 175 official matches for Ajax, scoring 41 times.
"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.
Flamengo netted twice in quick succession after the restart: first with a stunning first-time effort from playmaker Everton Ribeiro and then with a cool Arrascaeta finish after a counterattack.
American rider Quinn Simmons took silver and bronze went to Damien Howson from Australia. Enditem
Duan Liuyu sent a long-distance shot off the cross-bar in the 45th minute, while Marouane Fellaini saw his header hit the post in frustration in the 61st minute. Enditem
"My full efforts are totally focused on leading the Badminton World Federation and fulfilling my role as IOC member. I would like to thank the badminton and sporting community for their ongoing support and I look forward to leading the BWF as we plan for our safe return to international badminton," he said.
"My team was fantastic during the whole race. Today I felt very good, my legs were really good, until the attack I could ride easily. Also, I was very motivated. Many people supported me along the roads, and I want to thank everyone," Valter said after the race.
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.
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