See main article: 1983 Tokyo Indoor. John McEnroe was the defending champion, but did not participate this year.
Ivan Lendl won the tournament, beating Scott Davis in the final, 3–6, 6–3, 6–4.
Jimmy Connors (semifinals)
Andrés Gómez (quarterfinals) Vitas Gerulaitis (second round) Eliot Teltscher (quarterfinals)
Henri Leconte (first round) Hank Pfister (second round) Steve Denton (first round)