The specific grouping situation is as follows:
Men's team competition:
Group 1: China, Slovenia, USA, Puerto Rico and Thailand.
Group II: Germany, France, India, Kazakhstan and Uzbekistan.
Group III: Japan, China, Romania, Iran and Hungary.
Group 4: South Korea, Egypt, Czech Republic, Canada and Saudi Arabia.
Group 5: Sweden, Britain, Australia and Poland.
Group VI: Brazil, Portugal, Denmark, Slovakia.
Group 7: China Taipei, Croatian, Belgian and Singaporean teams.
Women's team competition:
Group 1: China, USA, Puerto Rico, Canada and Malaysia.
Group II: Japan, Hungary, Poland, Slovakia and Uzbekistan.
Group III: China, Brazil, France, Italy and South Africa.
Group 4: South Korea, Singapore, Thailand, Luxembourg and Iran.
Group V: Germany, Egypt, India, Czech Republic.
Group VI: Romanian team, China Taipei team, Sweden team and Portuguese team.
The World Table Tennis Championships will be held in Chengdu, Sichuan from September 30th to June 9th. The men's and women's team competition will be held from September 30th to June 4th. The top teams of men's and women's 16 will enter the knockout stage from June 5th. 10. Each team competition adopts the best-of-five system, and each singles competition adopts the best-of-five system.