1986 Tokyo Indoor – Singles

Ivan Lendl was the defending champion, but lost in the semifinals this year.

Boris Becker won the tournament, beating Stefan Edberg in the final, 7–6, 6–1.

Seeds

 * 1)  Ivan Lendl (semifinals)
 * 2)  Boris Becker (champion)
 * 3) 🇸🇪 Stefan Edberg (final)
 * 4) 🇺🇸 Jimmy Connors (semifinals)
 * 5) 🇪🇨 Andrés Gómez (second round)
 * 6) 🇺🇸 David Pate (quarterfinals)
 * 7) 🇺🇸 Aaron Krickstein (second round)
 * 8) 🇸🇪 Ulf Stenlund (second round)