In the day's later fixture, Hellas Verona shared the spoils with Roma in a 0-0 draw, with both sides hitting the woodwork three times. Enditem
Also absent were midfielder Arthur Melo, who joined Juventus from Barcelona in July, Flamengo striker Gabriel Barbosa and Real Madrid left-back Marcelo. Sao Paulo's defender-turned-midfielder Dani Alves is unavailable because of a fractured forearm.
But there was no place for striker Edinson Cavani, who has yet to find a new club after parting ways with Paris Saint-Germain in June. The 33-year-old has not played since March.
Lucas Oliveira put the hosts ahead with a rasping 20-yard effort that flew into the top-left corner before Keno equalized from the penalty spot after Nathan Souza was brought down by Eder Ferreira.
Elsewhere, ninth-seeded Garbine Muguruza of Spain disposed of American Sloane Stephens 6-3, 6-3, and former French Open winner Svetlana Kuznetsova had to fight hard for a 3-6, 7-6 (3), 6-3 win over the U.S.'s Bernarda Pera. Enditem
In a battle of former French Open champions, Romania's Halep beat Garbine Muguruza of Spain 6-3, 4-6, 6-4 to reach the women's final.
20 minutes later, Jaroslav Zeleny got lucky and his shot from the top of the box bounced off a teammate and into Dunajska Streda's net to tie things up for the visitors 1-1.
Plans about the club's structure will be made in close contact with its 160,000 members who have to vote on any significant changes within the club.
"I have made the most difficult decision of my sports career. I will close this chapter in this wonderful football club where I have grown as a player for seven years... Triumphs, joys and also hard times but what I am most proud of is that I arrived in Munich as a young man full of dreams and now I will leave completely fulfilled with the club, a history and a culture," he commented. Enditem
New signing Donny van de Beek came into the game as a substitute and gave United a chance with a goal on his debut, but Zaha's excellent second strike five minutes from time condemned them to defeat.
Thomas Tuchel's side welcomed back goalkeeper Keylor Navas, defender Marquinhos and forward Mauro Icardi after the trio were among seven players tested positive for COVID-19, but missed Kylian Mbappe, who is still in self-quarantine at home.