It took the Brazilian two hours and 50 minutes to defeat Qinwen Zheng, who is ranked 18th in the world. She won the match with a score of 2 sets to 0, both in tie-breaks.
Team Brazil is represented by 622 athletes, along with 1,020 members of the technical commissions, confederation officials, and the Brazilian Olympic Committee itself.
Bia Haddad will return to Brazil to take care of her injury and relax. The Brazilian athlete's next challenge will be the WTA 1000 in Montreal (Canada).
After almost a year recovering from a knee injury, Stefani won this year the titles of the Australian Open, the WTA 500 in Arab Emirates, and the WTA 500 in Australia.
The São Paulo star broke the record yet again on Monday by beating Spain’s Sara Sorribes by two sets to one. The last Brazilian to go this far was Gustavo Kuerten 19 years ago.