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.
In the Changzhou division, Tan Long scored a hat trick to propel Changchun Yatai to a 4-1 victory against Xinjiang Tianshan Leopard.
"We stop, we come back, we stop on the changeovers. I think this is a little bit dangerous for the body with these very heavy conditions."
"I need to shoulder more responsibilities," said Guo, who joined Hebei during the offseason.
The 2018 champion lost to Anisimova in the quarterfinals in Paris last year, but this time the Romanian needed only 54 minutes to complete a convincing victory.
Beijing closed the first quarter on a 17-4 run, going up 33-17 as the quarter time ran out.
After national team center Li Yueru's departure, Dilana was made to shoulder more responsibilities in the paint for Dongguan.
For Shao Ting, another national player changing her club during the off-season, the league's organizer has done an excellent job in terms of anti-virus measures.
Han Ziqi contributed a game-high 23 points, but her solo effort could not save Tianjin from a big loss.
Despite three losses in a row coming into the season, Wuhan coach Li Xin expressed her satisfaction in some respects.
Dongguan started the last quarter with Shen bagging five straight points, followed by Zhang Dongxia's shot from the 3-pointer zone. Powered by Dilana and Shen, Dongguan built an eight-point lead with 1:39 on the clock, and their win was assured by Wang Zhen's three-pointer with 39 seconds remaining.