In 1968, with a new coach, Kadir won the Singapore Open title which he defended successfully till 1976, when he retired from boxing.
In 1972, Kadir represented Singapore at the 1972 Olympic Games in Munich but failed to obtain any medal due to an injury, a cut sustained on the eyebrow.
[3] In 1985, the national team won several international medals, including its first Southeast Asian Games gold in 12 years.
Kadir left SABA in 1998 but returned in 1989 when he was appointed as the chairman of the coaching committee of the Sea Games squad.
[3] In 2009, Kadir was elected as the president of SABA, having served in various capacities at the association over the past three decades - as national coach, honorary secretary and vice-president.