In the deciding game of mixed doubles, Feng Yanzhe/Lin Lingfang scored the narrow win against world No. 2 Wang Yilv/Huang Dongping 7-11, 11-6, 7-11, 11-6, 13-11, sealing the victory for Ruichang.
In the other two clashes of the day, Hunan Hualai beat Zhejiang Energy to remain in third place, while Shenzhen Nankeda whitewashed Jiangsu in 5-0 to clinch their second win of the season. Enditem
Necaxa's night went from bad to worse when midfielder Claudio Baeza was sent off after being shown a second yellow card for a bad challenge on Pedro Aquino with 13 minutes remaining.
The six-time US Open champion will next face compatriot and 2017 champion Sloane Stephens.
"He's one of the big champions of the last decade, one of the very few active players, who won a Grand Slam tournament here in New York," Thiem said of Cilic. "Even though he's not on the top of his game, he's always dangerous for a deep run in these big tournaments. He's not a guy I want to face in the third round as he's a former champion. On a good day, he can beat anybody."
The first half saw tough play from both sides. Veteran Luiz Muriqui was subbed after just 23 minutes because of a thigh injury. Qingdao also made their first substitution a few minutes later.
Ruichang remains at second in the overall standings despite the win, while four-time CBSL champion Qingdao still leads the table.
"I just don't know what to say, it was really close to a perfect moment," Vetter told World Athletics.
Under that clause, Messi could leave the club for free if he requested to do so by June 10, the nominal end of the season. But the 2019/20 La Liga season extended beyond that date due to the COVID-19 pandemic, complicating matters.
Botafogo looked set for a memorable victory when former Chelsea forward Salomon Kalou struck his first goal for the club in the 75th minute.
In Paris, France came from behind to repeat their triumph in the final of the 2018 World Cup, beating Croatia 4-2, despite the absence of striker Kylian Mbappe.