Germany started brightly on home soil and created the first chance of the game as Toni Kroos' cross into the box allowed Thilo Kehrer to test Spain goalkeeper David de Gea in the 11th minute.
However, the hectic last 11 games saw Atletico find form and as rivals such as Real Sociedad and Getafe lost ground, in the end the top four was secured with relative ease.
"I have never paced, it was great experience to pace world record, I'm happy Hassan broke the world record but now I am going for my own event, 5,000m at Ostrava on Tuesday," Chelangat who is coached by Gabriel Kiptanui in Kericho, some 270km west of the capital Nairobi, told Xinhua on Monday.
After a long, low whistle, the game began. "Strikers! Try running the channels!" 17-year-old midfielder Xie Jili shouted.
The Austrian will now challenge 2014 champion Marin Cilic of Croatia in the third round. Thiem has a 2-0 lead in their head-to-head series.
Barbosa rifled in an 87th-minute winner after Fortaleza midfielder Juninho had canceled out Everton Ribeiro's opener at the Maracana stadium. Enditem
Elsewhere, Fede Valverde will hope to continue his progression and will probably find himself playing more minutes than Luka Modric, while Toni Kroos and Casemiro remain very reliable in central midfield.
The safety car came in at the end of lap 23, by which time almost all the drivers had made their pit stops legitimately, but almost immediately Charles Leclerc lost control of his Ferrari and crashed heavily at Parabolica, forcing proceedings to be halted while marshals cleared Leclerc's car and repaired damage to the barrier.
The fixture, if it goes ahead, will be the first outing for both teams this year. International matches in the North American, Central American and the Caribbean Football Confederation (CONMEBOL) have been suspended since March because of the global health crisis. Enditem
The six-time US Open champion will next face compatriot and 2017 champion Sloane Stephens.
"There's no past Grand Slam champions left in the draw," said fifth seed Alexander Zverev from Germany, who made light work of Spain's Alejandro Davidovich 6-2, 6-2, 6-1 in another fourth round match.