Momo Tamaoki (R) of Japan competes with Sanne Verhagen of the Netherlands during a women's 57kg first round match at the 2019 IJF World Judo Tour Qingdao Masters in Qingdao, east China's Shandong Province, Dec. 12, 2019 (Xinhua/Li Ziheng)

Manuel Lombardo (bottom) of Italy competes with An Baul of South Korea during a men's 66kg second round match at the 2019 IJF World Judo Tour Qingdao Masters in Qingdao, east China's Shandong Province, Dec. 12, 2019 (Xinhua/Li Ziheng)

Nagayama Ryuju (L) of Japan competes with Garrigos Francisco of Spain during a men's 60kg final match at the 2019 IJF World Judo Tour Qingdao Masters in Qingdao, east China's Shandong Province, Dec. 12, 2019 (Xinhua/Li Ziheng)