Elsewhere, ninth-seeded Garbine Muguruza of Spain disposed of American Sloane Stephens 6-3, 6-3, and former French Open winner Svetlana Kuznetsova had to fight hard for a 3-6, 7-6 (3), 6-3 win over the U.S.'s Bernarda Pera. Enditem
China's Xiao Guodong, Zhao Xintong and Zhou Yuelong have passed the first stage. World number one Judd Trump also reached the second stage. Enditem
"The salary cap policy is fair to each club," said Zhu Fangyu, general manager of Guangdong Southern Tigers.
Gilbert Alvarez had given the hosts an early lead before Lucho Gonzalez equalized from the penalty spot.
In the women's tournament, Simona Halep advanced to the semifinals after Kazakhstan's Yulia Putintseva retired with the scores at 6-2, 2-0. She is to meet ninth-seeded Garbine Muguruza of Spain, who beat former number one Victoria Arazenka.
Nadal, seeded second, lost 6-2, 7-5 to eighth-seeded Schwartzman, who will next play 12th seed Denis Shapovalov of Canada for a spot in the final.
In the 28th minute, thanks to a short cross from Cedric Bakambu on the midfield, Renato Augusto dribbled through defender Ding Haifeng and contributed a calm tap-in to pull one back.
"I even couldn't believe that a defender has terrific skills like Li. It's important to have such an advantage in the game," Suning coach Cosmin Olaroiu praised.
"This is unbelievable, standing here in Paris on the top of the podium. I never thought I would be here," he added.
In the game against Shenzhen FC, Jiangsu Suning broke the deadlock in the 31st minute. Shenzhen keeper Guo Wei could only parry Gao Tianyi's shot and Ivan Santini turned in the rebound.
The Tianjin side still keeps it's winless record since the beginning of this season. The first stage of the championship format 2020 CSL season will conclude on September 28, but Teda only has two points out of 11 rounds, setting to be relegated.