He was the first Indonesian to win the All England Open in 1959 and the first Indonesian to win a gold medal in Asian Games, which happened at home in 1962. He won both the U.S. Open and Canadian Open singles titles consecutively in 1959 and 1960. He has many other notable achievements in the badminton field, both as a player and a coach, most particularly, winning all but one of his singles matches for Indonesia's world champion Thomas Cup (men's international) teams of 1958, 1961, and 1964.