With a perfect record in the new season, Jiangsu expects a tough route ahead as title contender Xinjiang awaits them on Saturday.
Next up for the 33-year-old is Russia's world No. 16 Karen Khachanov. Djokovic owns a 3-1 lead in the head-to-head record against Khachanov but the latter won the pair's previous encounter in Paris - at the 2018 Paris Masters when the Russian claimed a straight-set win in the final to clinch the biggest title of his career until now.
Sunday's win and the midweek victory against Valladolid were largely thanks to goalkeeper Thibaut Courtois, who produced man of the match performances in both games to keep Madrid's rivals at bay.
As expected, head coach Gustavo Alfaro included Fenerbahce forward Enner Valencia and teenage Sporting Lisbon winger Gonzalo Plata in his 30-man squad.
The South American zone's 2022 World Cup qualifiers had been scheduled to begin in late March but were postponed because of the coronavirus pandemic.
On the Shanghai side, Zhou Yuyan had 11 points, and Han Xu bagged 10.
Dominic Thiem of Austria hits a return during the men's singles quarterfinal match against Diego Schwartzman of Argentina at the French Open tennis tournament 2020 at Roland Garros in Paris, France, Oct. 6, 2020. (Photo by Aurelien Morissard/Xinhua)
Next up for Kvitova is Germany's Laura Segemund, who dispatched Spaniard Paula Badosa 7-5, 6-2 to advance. Enditem
Elsewhere, Sassuolo registered another comprehensive victory as it beat Crotone 4-1 with Francesco Caputo's brace.
Axel Witsel (R) of Dortmund vies with Baptiste Santamaria of Freiburg during a German Bundesliga match between Borussia Dortmund and SC Freiburg in Dortmund, Germany, Oct. 3, 2020. (Photo by Joachim Bywaletz/Xinhua)
The previous best for the No.7 seed in Paris was the semifinals in 2012 when she lost to eventual champion Maria Sharapova 6-3, 6-3.