Table Tennis World Cup

The Table Tennis World Cup has been held annually since 1980. There had been only men's singles until the inauguration of women's singles in 1996 and team competitions in 1990. The team competitions, the World Team Cup, were canceled until the relaunch in 2007, and now held in odd-numbered years. The competitions are sanctioned by International Table Tennis Federation (ITTF) and classified as R1 in rating weightings, B2 in bonus weightings in the ITTF world ranking.
Competition.
Men's and Women's World Cups.
Participants of the competition are composed of:
Current Playing System.
Men's and Women's World Cups.
The playing system is determined by the Executive Committee on recommendation by the Competition Department. 
The 2009 World Cup was divided into 3 stages. All matches were the best of 7 games.
World Team Cup.
All team matches are played on the Olympic System with a maximum of 4 singles and 1 doubles. And all individual matches of a team match are the best of 5 games.