Career
Sumirat was one of Indonesia"s leading singles players during the 1970s, when it dominated men"s international competition while China was still absent from IBF sanctioned play. As fellow countryman Rudy Hartono was winning his eighth All-England Championship in March 1976, the hard smashing Sumirat was winning the Asian Invitation Tournament in Bangkok, Thailand, edging aging Chinese badminton legend Hou Jiachang in the final. Sumirat coached after his high level playing career ended.
He helped Taufik Hidayat, in particular, learn his deceptive Netto play.