Liu Weiwei, head coach of Zhejiang Golden Bulls, gestures during a match between Zhejiang Golden Bulls and Beijing Ducks at the 2019-2020 Chinese Basketball Association (CBA) league in Qingdao, east China's Shandong Province, June 30, 2020. (Xinhua/Li Ziheng)

Xie Libin, head coach of Beijing Ducks, gestures during a match between Zhejiang Golden Bulls and Beijing Ducks at the 2019-2020 Chinese Basketball Association (CBA) league in Qingdao, east China's Shandong Province, June 30, 2020. (Xinhua/Li Ziheng)

Zhai Xiaochuan (L) of Beijing Ducks goes up for the basket during a match between Zhejiang Golden Bulls and Beijing Ducks at the 2019-2020 Chinese Basketball Association (CBA) league in Qingdao, east China's Shandong Province, June 30, 2020. (Xinhua/Li Ziheng)

A referee picks up a basketball during a match between Zhejiang Golden Bulls and Beijing Ducks at the 2019-2020 Chinese Basketball Association (CBA) league in Qingdao, east China's Shandong Province, June 30, 2020. (Xinhua/Li Ziheng)

Jeremy Lin (front) of Beijing Ducks grabs a rebound during a match between Zhejiang Golden Bulls and Beijing Ducks at the 2019-2020 Chinese Basketball Association (CBA) league in Qingdao, east China's Shandong Province, June 30, 2020. (Xinhua/Li Ziheng)

Zhai Xiaochuan (L) of Beijing Ducks breaks through during a match between Zhejiang Golden Bulls and Beijing Ducks at the 2019-2020 Chinese Basketball Association (CBA) league in Qingdao, east China's Shandong Province, June 30, 2020. (Xinhua/Li Ziheng)

Cheng Shuaipeng (front) of Zhejiang Golden Bulls vies for the ball during a match between Zhejiang Golden Bulls and Beijing Ducks at the 2019-2020 Chinese Basketball Association (CBA) league in Qingdao, east China's Shandong Province, June 30, 2020. (Xinhua/Li Ziheng)