Ramesh Krishnan was the defending champion, but lost in the third round to Jimmy Connors 2–6, 4–6. Stefan Edberg won the title defeating David Pate in the final 7–6, 6–4.
Seeds The top eight seeds received a bye into the second round.
Draw
Finals
Top half Section 1
Section 2
Bottom half Section 3
Section 4
References
External links 1987 Japan Open men's singles draw