The 30-year-old, who has been capped once for Argentina's national team, has struggled for opportunities since joining Boca from Mexico's Cruz Azul in January 2019.
The Czech player fired 23 winners in the match in which she converted four of her nine break points. Despite missing a chance to serve for the win in the eighth game of the second set at 5-2, she clinched it when an opportunity appeared again in the tenth to wrap up the victory with a love game.
In the other action on Friday, women's third seed Elina Svitolina cruised past 27th-seeded Ekaterina Alexandrova 6-4, 7-5 to advance to the next round. Argentine qualifier Nadia Podoroska extended her stunning run on clay after the restart of the season, as the 23-year-old dispatched Anna Karolina Schmiedlova 6-3, 6-2 to become the first Argentinean women's player to reach the fourth round in Paris since 2011. Enditem
"It's not easy for us to return to court. I always want to say thanks to all medical staff across the country for giving us a safe environment to play. We appreciate it a lot," Wu said.
"To be honest I was over the limit today. At the end I gave everything that I had out there, it was an amazing match," the 27-year-old added.
"We can feel that everything is fully prepared beforehand with an aim of offering us a safe environment to enjoy games," said Shao, who had joined Sichuan before the season.
The injury means that Alba will be forced to pull out of the Spanish national team squad for the forthcoming friendly game in Portugal and the UEFA Nations League ties against Switzerland and Ukraine.
Inner Mongolia will meet Shandong on Sunday, while Hebei will face Shanxi on Tuesday. Enditem
With a 4,000-seat capacity, the Weihai Nanhai Olympic Center will host the doubles events. The newly-opened venue is currently staging the 2020 China National Table Tennis Championships.
Elsewhere, Athletic Club were linked with a late return of former striker Fernando Llorente only for the deal to fall through, while Valencia coach Javi Gracia is rumored to be considering resigning after a summer which saw the departure of players such as Dani Parejo, Ezequiel Garay and Rodrigo Moreno without any new arrivals to strengthen a squad which failed to qualify for Europe last season.
Zhejiang led the game from the first quarter, and widened the gap to 12 points after the first half with 45-33. Dongguan, a powerhouse last season, had no chance to win the game in the second half because its national trio of Li Yueru, Yang Liwei and Huang Sijing departed to Inner Mongolia during the offseason.