The 2020 Chinese table tennis Olympic test event opened in Lingshui, south China's Hainan province on Saturday.
The Chinese paddlers' Olympic test run will be held from August 8 to 21 with five categories.
The mixed doubles match, which started on Saturday, has attracted much attention as a new event in the Tokyo Olympics, with 16 pairs of mixed doubles players directly playing in the knockout rounds.
In the mixed doubles 1/8 final, top-seeded mixed doubles pair Fan Zhendong/Chen Meng beat their rivals Cao Wei/Zhang Rui.
The mixed doubles final will be held on August 10.