It was immediately clear whether the pair would be replaced.
"I knew she was going to be aggressive. I knew that she's playing this way. Today it worked really well for her," Halep added. "At this level, nobody surprises anybody anymore because everyone has a big level and it depends on the day that you are."
Shaanxi's backcourt duo of Chen Yanyu and Chen Xinlei, who combined for 57 points in their last game, were restrained to nine and three points respectively.
The 2019 ATP Finals champion will face Russia's Andrey Rublev for a semifinals place in the next round. The 22-year-old Rublev recovered from a one set down and trailed by 5-2 in the second to knock out Marton Fucsovics 6-7 (4), 7-5, 6-4, 7-6 (3) in the last men's round of 16 clash.
"We put on a good defense, both with and without possession, but admittedly there is a gap separating the two sides," he noted. Enditem
"I have to improve my control of the game in crunch time," Fang admitted. "It requires time, and I cannot worry about it too much. For every game, I have to prepare well beforehand and draw some experience after it to march forward, step by step."
Earlier on the Court Philippe-Chatrier, men's singles third seed, Dominic Thiem claimed another straight-set victory over 28th seed Casper Ruud, beating the Norwegian 6-4, 6-3, 6-1 to set up a last-16 clash against the winner between 2015 champion Stan Wawrinka and Hugo Gaston.
In women's actions, top seed Simona Halep took sweet revenge on her opponent from last year's French Open defeat, trouncing American teenager Amanda Anisimova 6-0, 6-1 to progress.
Everton playmaker James Rodriguez and Galatasaray striker Radamel Falcao will return to the international fold for Colombia's qualifiers against Venezuela and Chile.
"They played great and showed their value on the court, which led to our victory," Li said.
In eight games played in front of the empty stands of the Reale Arena, 'La Real' has suffered four defeats and its only win was against relegated Espanyol. Down the road in Bilbao, Athletic Club - another side that is usually tough to beat at home - has lost its last four home games. It certainly looks as if the teams with the most passionate home fans are the ones who are missing them most.