With a game marked by impressive mobility and consistency, during the 1960s he rated among the world's elite singles players. He reached the final of the prestigious All-England Championship in 1963, the semifinals in both 1964 and 1965, and won the open championships of Canada (1964, 1965) and the United States (1964, 1968). Channarong played a leading role on the Thai Thomas Cup (men's international) teams of 1961 and 1964 that finished second and third in the world respectively.