1989 Tokyo Indoor – Singles

Singles
1989 Tokyo Indoor
Champion Aaron Krickstein
Runner-up Carl-Uwe Steeb
Score6–2, 6–2
Draw32
Seeds8

Boris Becker was the defending champion, but did not participate this year.

Aaron Krickstein won the tournament, beating Carl-Uwe Steeb in the final, 6–2, 6–2.