1958 Thomas Cup outcome had been determined. Indonesia's Tan Joe Hok went through the entire Thomas Cup campaign undefeated in singles (Sonneville had dropped a match to Finn Kobbero). Tan would win the All-England singles title the following year and for a time would be regarded as the best player in the world. For a much longer time Indonesia would be the country to beat in international team badminton. 1958 Thomas Cup The Thomas Cup competition is an international team tournament for supremacy in men's badminton (its female counterpart is the Uber Cup). Beginning in 1948-1949 it was held every three years until
BWF World Junior Championships BWF World Junior Championships The BWF World Junior Championships (also known as the World Junior Badminton Championships) is a tournament organized by the Badminton World Federation (BWF) to crown the best junior badminton players (under-19) in the world. The championships is held annually and consists of two separate competitions: a mixed team championships (Suhandinata Cup) followed by an individual championships (Eye Level Cups). The precursor of the championships was the Bimantara World Junior Invitational held in Indonesia from 1987 to 1991. In 1992, International Badminton Federation (former name of Badminton World Federation) started the first IBF World Championships in Jakarta,