In a fiercely contested second quarter, which was halted by fouls often, Dongguan managed to go up by 19 points clear at halftime through steady performance on the free throw line, and went uncontested from Wuhan back from the locker room.
Association president Fritz Keller demanded a series of victories to collect points helping to avoid relegation "as we can't afford to go down to a lower group."
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.
The Rams, as the champions of the previous three seasons are nicknamed, started off well and dominated 4-1 after the first half of the game, led by the Canadian forward Matthew Mistele's two goals, but the visitors from Michalovce produced a miraculous comeback by scoring four in a row.
The Schalke coach's options seem limited due to financial uncertainty and the transfer window closing this Monday at midnight.
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.
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.
"We will see several unusual results not only in the Bundesliga but all over Europe. I think we are ahead of an exciting season," the 60-year-old predicted.
Sevilla presented their last two signings of the summer with Karim Rekik and Oussama Idrissi joining Julen Lopetegui's side, who once again look to have worked well in the transfer market, despite failing to sign Real Sociedad's Willian Jose.
Nadal will face Sebastian Korda, the son of 1998 Australian Open winner Petr Korda, in the next round. The American youngster secured his first appearance in a Grand Slam round of 16 by beating fellow qualifier Pedro Martinez 6-4, 6-3, 6-1 to advance.
Earlier on Friday, Jiangsu defeated Shanghai 3-0 (25-17, 25-20, 26-24) in the third-place match.