[2] In 1982, Michibata won the Canadian National Tennis Championships (closed) defeating Réjean Genois in the final.
An ATP touring professional from 1983 to 1993, Michibata earned a career-high singles ranking of World No.
[3] His best results were the semifinals at the 1985 outdoor Tokyo, 1989 Wellington, and 1989 Schenectady Grand Prix events.
Michibata's highest doubles ranking was #5 on 8 July 1991 after he and Connell reached the semifinals of both the French Open and Wimbledon Championships.
The Connell-Michibata pair won a crucial match in a 1990 tie against the Dutchmen Paul Haarhuis and Mark Koevermans 7–6(5), 7–6(5), 6–2, as Canada defeated the Netherlands 3–2 in the qualifying round for the 1991 World Group.
Also, Michibata coached the doubles team of fellow Canadian Daniel Nestor and Mark Knowles for two years (1995–1997).