Osaka broke in the fourth game of the third set to take a comfortable 3-1 lead. In the next game, Azarenka blew a golden opportunity to get back into the match, wasting all three break points as Osaka recovered from 0-40 down to hold for a 4-1 lead.
A new pitch will be installed following Wednesday's Copa do Brasil match between Fluminense and Atletico Goianiense, according to venue operator Maracana SA.
In other fixtures on Thursday, Palmeiras won 2-0 at Corinthians and Atletico Goianiense beat Vasco da Gama 2-1 in Rio de Janeiro. Enditem
Wolves were impressive all campaign and although Nuno Espiritu Santo has lost Matt Doherty to Spurs, the arrivals of Fabio Silva and Fernando Marcal should compensate for that departure.
The French defending champions kicked off their league title defence on Thursday with a shock 1-0 defeat at newly-promoted Lens, in a game which a shorthanded Tuchel had to field several young players such as 18-year-old league debutants Kays Ruiz-Atil and Arnaud Kalimuendo and 20-year-old goalkeeper Marcin Bulka, who was just making his second appearance for the first team. Enditem
Leicester City were last season's surprise package with their fifth place finish and the challenge for coach Brendan Rodgers will be to get near repeating that, and to get close he needs Jamie Vardy to keep hammering home the goals.
Ribamar Lopes put the visitors ahead from close range after some shambolic Botafogo defending but Matheus Rabi equalized with a 25-yard drive just after half time.
In the penalty shootout, Hoffenheim's goalkeeper Baumann saved two penalties while Bickel missed the target from the spot, allowing Hoffenheim to advance into the second round.
The Gongshu District Chengxi Sports Park Stadium and Gymnasium, which will host table tennis and hockey competitions, is under renovation into an urban village. Covering 46 hectares, it will be the largest sports park in the city that enables the public to relive the memories of the Asian Games, experience the canal culture and participate in sports trainings.
Jena's late chance was a wakening call for Bremen as new arrival Tahith Chong had all the time and space to finish off a fast break, scoring his first ever goal for his new club in the dying minutes.
The CAF elections seek to elect a president and members into the executive committee of the confederation. Enditem