Meanwhile, Nuremberg were able to reduce the arrears in the closing stages when Phillipp Steinhart converted a penalty in the 79th minute.
Eight minutes later, things went from bad to worse for Duisburg as Volkmer felled Erling Haaland as the last man to receive his marching orders.
Granada only had two chances all game, but Athletic's problem in turning possession into chances continues from last season.
"I was super close to being a grand slam champion. I was a few games away, maybe a few points away. For me what upset me the most is not the third set or something like that, it's the fifth set. I had a lot of chances in the fifth set and didn't use them," said a disappointed Zverev, who was contesting his first career major final.
It added that a meeting would be held with FIFA officials on Tuesday to address issues related to the competition "at the highest level."
Bratislava is among several towns with a high rate of new coronavirus cases and the Pandemic Committee restricted local fans from attending the match so only empty stands and the TV broadcast crew saw the home team's Slovenian striker Zan Medved open the score in the 13th minute when he was left unguarded and had no trouble putting the ball in Trnava's net after Rafael Ratao's great center pass from the left side.
"In the end all I focus on is what I can control on the tennis court. That's what I did in 2018 final. I feel like that's what I did this time," said the 22-year-old Osaka, who defeated Serena Williams of the United States to win the 2018 title.
Jordi Cruyff's debut as Shenzhen Kaisa was bitter but the Dutch said he was satisfied with his players.
Monday sees two more matches with Chelsea travelling to Brighton, while Sheffield United entertain Wolves. Enditem
His absence is likely to provide another opportunity for Cesar Dutra, who replaced Alves in the team's 2-0 defeat to Ceara in Brazil's Serie A championship on Sunday.
A total of 13 teams will play in two groups in the round-robin preliminaries with the top four finishers from each pool to qualify for the knock-out stage. Enditem