Kvitova went into the match quickly as she broke her Chinese opponent twice to surge to a 4-0 lead in the opening set, before serving for the set in the eighth game.
On the Dongguan side, Shen Yi nailed 13 points, while Hu Ke added 10.
Sevilla opened the scoring in the 7th minute when Luuk de Jong fired home with his left foot after Barca failed to deal with a corner, but Barca levelled barely a minute later when Jesus Navas was unable to clear Jordi Alba's ball into the area, allowing Coutinho to pick his spot.
Also on Saturday, fifth-seeded Stefanos Tsitsipas earned a spot in the fourth round after his Slovenian opponent Aljaz Bedene retired from the match and hobbled off the court when trailed by 6-1, 6-2, 3-1.
Zhejiang outscored 52-37 at the interval, which proved to be a key part of their victory. Dong Ke'er made six 3-pointers to score 26 points. Huang Jiali shot 11 of 14 from the field for 26 points.
The AFA said Udinese goalkeeper Juan Musso had also been cut from the squad because of a knee injury suffered while training on Monday.
Simona Halep of Romania hits a return during the women's singles 4th round match between Simona Halep of Romania and Iga Swiatek of Poland in the French Open tennis tournament 2020 at Roland Garros in Paris, France, Oct. 4, 2020. (Photo by Aurelien Morissard/Xinhua)
Statistics showed tourist attractions in China have seen surging numbers of visits at the beginning of the eight-day vacation. In a stadium in Lanzhou City, northwest China's Gansu Province, Zhang Yufeng, the owner of the Jianghu Archery Club, also witnessed a strong recovery.
The game started with Inner Mongolia taking a 24-10 lead in the first quarter. Hebei tried to fight back in the second period, only to see Inner Mongolia pull away with a 34-14 third quarter.
Alfaro was appointed Ecuador's head coach in August following the resignation of Jordi Cruyff.
"I think I played a really good match. I was very aggressive. I knew from last year I had to change something, so I really wanted to be better than last year and definitely, I was today," said the world No. 2.