Career
Wijono appeared in two Grand Slam tournaments during his career, the 1970 United States Open, where he was beaten in the first round by Pancho Segura and the 1971 French Open, where he also lost in the opening round, to François Jauffret. He was a singles gold medalist at the 1978 Asian Games in Bangkok, defeating Japan"s Shigeyuki Nishio in the gold medal playoff. The Indonesian is also a Southeast Asian Games gold medalist.