In 1960, Suhadi won the Bandung Open, defeating Tan Liep Tjiaw in the final, 0–6, 0–6, 6–4.

She and partner Suwarimbo won the doubles competition beating Vonny Djoa and Liem in the final, 6–1, 6–4.

At the 1962 Asian Games in Jakarta, Suhadi won the bronze medal in the Women's Doubles with partner Jooce Suwarimbo.

[1] In 1965, she and Lita Liem won the doubles competition of the Indonesian Gravel Invitational in Jakarta.

At the 1967 Malaysian Open, Suhadi and partner Itjas Sumarna reached the final of the doubles competition, but were beaten in straight sets by Lany Kaligis and Lita Liem.