World number one Judd Trump will take on Kyren Wilson, while Australia's Neil Robertson meets Shaun Murphy. Enditem
In the other game in the Chengdu division, Taizhou Yuanda beat Beijing BSU 2-0, and Inner Mongolia Zhongyou defeated Beijing Renhe 2-1.
Su crossed the line in two hours, 16 minutes, 29 seconds, 14 seconds shy of his personal best set in Xuzhou two years ago. Yang from Jiangsu finished second in 2:17:36, followed by Yang Shaohui from Yunnan in 2:18:44.
"The Club has informed the relevant authorities and the player has been promptly placed in quarantine at home. All other team members and staff have tested negative," it added.
Real Madrid controlled most of the ball in its league debut away to Real Sociedad a week ago, but failed to create enough chances to win the game, raising questions about what was also the club's main problem last season.
In other action, Hebei and Tianjin lost several chances to take a lead in the first half, when Hebei forwards Buya Turay and Markao failed to score in succession in the eighth minute, and Tianjin's 21-year-old midfielder Liu Ruofan missed three times in a row.
"It's really a tough and close match," said spiker Zhang.
On Thursday, R&F had more ball possession, but it was Shenhua who fielded 11 native players in the starting line-up and created more real chances.
But discussions between the government and the Grand Slam organizers were ongoing as to how this policy would affect Roland Garros, which has been scheduled from September 27 to October 11.
Nobody will doubt Messi's commitment on the pitch, however, and he will again lead the side this Sunday in an attack which will probably also see Antoine Griezmann, who now has more responsibility following Suarez's departure, and Ansu Fati, who was virtually the only good news to come out of last season.
China's national team player Gong Xiangyu notched up seven points to help Jiangsu take the first set.