Hong Kong badminton king Tam Kai-chuen has received a surprise call-up to the prestigious World Badminton Cup to be held in Indonesia next month. That competition will be staged in the city of Sanyo from August 20 to August 24. Tam, ranked 21st in men's singles, has never before competed in the tournament which features some of the world's best players. 'I have competed in almost every major tournament except the World Cup, which has the world's top 16 competing,' said the 21-year-old. 'I was lucky to be invited because a few top players have since retired and other players turned down invitations.' Recently crowned world champion Peter Rasmussen of Sweden, Denmark's Olympic champion Poul-Erik Hoyer-Larsen, China's world No 1 Dong Jiong, and Indonesian aces Arbi Heryanto and Joko Suprianto are among those expected to take part. National coach Chan Chi-choi was delighted Tam had been given an opportunity. 'Even if Kai-chuen loses his first match, he will have two other matches to play because the preliminary rounds are round-robin group matches,' Chan said.