The hosts added their third goal when Daniel Sampaio latched onto Marco Antonio's pass to slot home in stoppage time.
The 54-year-old Dane announced he has been receiving medical treatment for the condition after being diagnosed some years ago and, with the assistance of doctors, has continued to carry out his duties as BWF president "without limitation," said the world governing body.
"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.
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 competition in Lausanne's Place de l'Europe played host to a fascinating duel between Duplantis and two-time world champion Sam Kendricks from the United States, whose best jump was 6.02 meters.
The match ended in a goalless draw, despite Botafogo's 17 shots on goal to Coritiba's seven.
The 33-year-old striker, who came on after the interval, latched onto a through pass from teammate Wu Xi before sending it into the net in the 65th minute.
Fiorentina loanee Pedro put the visitors ahead in just the second minute by pouncing on an errant pass and sliding home from close range.
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
The announcement was made Thursday at the IFA, Internationale Funkausstellung, the world's leading trade show for consumer electronics and home appliances, in Berlin.
Djokovic will face Jan-Lennard Struff for a spot in the round of 16. The German needed one hour and 40 minutes to move past American Michael Mmoh 6-2, 6-2, 7-5.