# 1987 Seoul Open – Singles

This was the first edition of the Seoul Open.
Jim Grabb won the tournament, beating Andre Agassi in the final, 1–6, 6–4, 6–2.

## Seeds

* Ramesh Krishnan (first round)
* Jim Grabb (champion)
* Jaime Yzaga (second round)
* Richard Matuszewski (first round)
* Jean-Philippe Fleurian (semifinals)
* Ben Testerman (semifinals)
* Michiel Schapers (quarterfinals)
* Andre Agassi (final)

## Draw
### Key

* Q = Qualifier
* WC = Wild card
* LL = Lucky loser
* Alt = Alternate
* SE = Special exempt
* PR = Protected ranking
* ITF = ITF entry
* JE = Junior exempt
* w/o = Walkover
* r = Retired
* d = Defaulted
* SR = Special ranking

### Finals

| Semifinals | Semifinals | Semifinals | Semifinals | Semifinals | Final | Final | Final | Final | Final |
| 8 | Andre Agassi | 2 | 6 | 6 | | | | | |
| 6 | Ben Testerman | 6 | 3 | 2 | | | | | |
| 6 | Ben Testerman | 6 | 3 | 2 | 8 | Andre Agassi | 6 | 4 | 2 |
| | | | | | 2 | Jim Grabb | 1 | 6 | 6 |
| 5 | Jean-Philippe Fleurian | 2 | 6 | | 2 | Jim Grabb | 1 | 6 | 6 |
| 2 | Jim Grabb | 6 | 7 | | | | | | |

### Top half

| First round | First round | First round | First round | First round | Second round | Second round | Second round | Second round | Second round | Quarterfinals | Quarterfinals | Quarterfinals | Quarterfinals | Semifinals | Semifinals | Semifinals | Semifinals | Semifinals |
| 1 | R Krishnan | 6 | 1 | | | | | | | | | | | | | | | |
| | K Jones | 7 | 6 | | | K Jones | 5 | 6 | | | | | | | | | | |
| | J Fitzgerald | 6 | 3 | 6 | | J Fitzgerald | 7 | 7 | | | | | | | | | | |
| | Jay Lapidus | 3 | 6 | 3 | | | | | | | J Fitzgerald | 1 | 3 | | | | | |
| | B Schultz | 7 | 2 | 3 | | | | | | 8 | A Agassi | 6 | 6 | | | | | |
| | R Simpson | 5 | 6 | 6 | | R Simpson | 4 | 1 | | | | | | | | | | |
| | B Cox | 6 | 6 | 5 | 8 | A Agassi | 6 | 6 | | | | | | | | | | |
| 8 | A Agassi | 7 | 3 | 7 | | | | | | | | | | 8 | A Agassi | 2 | 6 | 6 |
| 3 | J Yzaga | 6 | 7 | | | | | | | | | | | 6 | B Testerman | 6 | 3 | 2 |
| | P Carlsson | 4 | 6 | | 3 | J Yzaga | 3 | 6 | 6 | | | | | | | | | |
| Q | W-r Lee | 3 | 4 | | | M Leach | 6 | 2 | 7 | | | | | | | | | |
| | M Leach | 6 | 6 | | | | | | | | M Leach | 6 | 1 | | | | | |
| | P Chamberlin | 7 | 6 | | | | | | | 6 | B Testerman | 7 | 6 | | | | | |
| WC | G-t Roh | 6 | 3 | | | P Chamberlin | 1 | 0 | | | | | | | | | | |
| Q | A Castle | 5 | 6 | 6 | 6 | B Testerman | 6 | 6 | | | | | | | | | | |
| 6 | B Testerman | 7 | 3 | 7 | | | | | | | | | | | | | | |

### Bottom half

| First round | First round | First round | First round | First round | Second round | Second round | Second round | Second round | Second round | Quarterfinals | Quarterfinals | Quarterfinals | Quarterfinals | Quarterfinals | Semifinals | Semifinals | Semifinals | Semifinals |
| 5 | J-P Fleurian | 3 | 7 | 6 | | | | | | | | | | | | | | |
| | B Pearce | 6 | 6 | 4 | 5 | J-P Fleurian | 7 | 6 | | | | | | | | | | |
| | M De Palmer | 6 | 4 | | | M Kures | 6 | 3 | | | | | | | | | | |
| | M Kures | 7 | 6 | | | | | | | 5 | J-P Fleurian | 6 | 1 | 6 | | | | |
| Q | B-S Kim | 6 | 6 | | | | | | | | J Sadri | 4 | 6 | 3 | | | | |
| WC | J-S Yoo | 2 | 4 | | Q | B-S Kim | 3 | 6 | | | | | | | | | | |
| | J Sadri | 6 | 6 | | | J Sadri | 6 | 7 | | | | | | | | | | |
| 4 | R Matuszewski | 3 | 1 | | | | | | | | | | | | 5 | J-P Fleurian | 2 | 6 |
| 7 | M Schapers | 6 | 6 | | | | | | | | | | | | 2 | J Grabb | 6 | 7 |
| Q | P Wright | 4 | 2 | | 7 | M Schapers | 7 | 4 | 6 | | | | | | | | | |
| WC | D-W Song | 6 | 6 | 6 | WC | D-W Song | 5 | 6 | 2 | | | | | | | | | |
| | B Green | 7 | 3 | 4 | | | | | | 7 | M Schapers | 3 | 3 | | | | | |
| | K Flach | 5 | 6 | 0 | | | | | | 2 | J Grabb | 6 | 6 | | | | | |
| | G Michibata | 7 | 4 | 6 | | G Michibata | 6 | 1 | | | | | | | | | | |
| | J Levine | 2 | 3 | | 2 | J Grabb | 7 | 6 | | | | | | | | | | |
| 2 | J Grabb | 6 | 6 | | | | | | | | | | | | | | | |