| Singles | |
|---|---|
| 1988 Seoul Open | |
| Champion |  Dan Goldie |
| Runner-up |  Andrew Castle |
| Final score | 6–3, 6–7, 6–0 |
| Draw | 32 |
| Seeds | 8 |
Jim Grabb was the defending champion, but lost in the first round this year.
Dan Goldie won the tournament, beating Andrew Castle in the final, 6–3, 6–7, 6–0. [1]
Andre Agassi (second round) Eliot Teltscher (semifinals)
John Fitzgerald (quarterfinals) John Frawley (quarterfinals) Dan Goldie (champions) Jim Grabb (first round) Joey Rive (quarterfinals) Todd Nelson (quarterfinals)| Semifinals | Final | ||||||||||||
| Greg Holmes | 4 | 6 | |||||||||||
| Andrew Castle | 6 | 7 | |||||||||||
| Andrew Castle | 3 | 7 | 0 | ||||||||||
| 5 | Dan Goldie | 6 | 6 | 6 | |||||||||
| 5 | Dan Goldie | 6 | 6 | ||||||||||
| 2 | Eliot Teltscher | 2 | 3 | ||||||||||
| First round | Second round | Quarterfinals | Semifinals | ||||||||||||||||||||||||
| 1 | A Agassi | 6 | 6 | ||||||||||||||||||||||||
| J Levine | 1 | 1 | 1 | A Agassi | 3 | 2 | |||||||||||||||||||||
| G Holmes | 6 | 6 | G Holmes | 6 | 6 | ||||||||||||||||||||||
 N Odizor | 0 | 2 | G Holmes | 2 | 6 | 7 | |||||||||||||||||||||
| S Shaw | 4 | 4 | 7 | J Rive | 6 | 3 | 6 | ||||||||||||||||||||
| Q | C Bailey | 6 | 6 | Q | C Bailey | 7 | 2 | 4 | |||||||||||||||||||
| WC |  B-S Kim | 6 | 4 | 7 | J Rive | 6 | 6 | 6 | |||||||||||||||||||
| 7 | J Rive | 7 | 6 | G Holmes | 4 | 6 | |||||||||||||||||||||
| 3 | J Fitzgerald | 6 | 6 | A Castle | 6 | 7 | |||||||||||||||||||||
| B Drewett | 3 | 4 | 3 | J Fitzgerald | 7 | 6 | |||||||||||||||||||||
| WC | D-W Song | 6 | 2 | 6 | WC | D-W Song | 6 | 1 | |||||||||||||||||||
| Q | J Letts | 3 | 6 | 3 | 3 | J Fitzgerald | 6 | 3 | 2 | ||||||||||||||||||
 W Popp | 7 | 6 | A Castle | 4 | 6 | 6 | |||||||||||||||||||||
| K Jones | 6 | 4 | W Popp | 6 | 2 | 2 | |||||||||||||||||||||
| A Castle | 6 | 7 | A Castle | 2 | 6 | 6 | |||||||||||||||||||||
| 6 | J Grabb | 3 | 5 | ||||||||||||||||||||||||
| First round | Second round | Quarterfinals | Semifinals | ||||||||||||||||||||||||
| 5 | D Goldie | 6 | 3 | 6 | |||||||||||||||||||||||
| L Shiras | 4 | 6 | 2 | 5 | D Goldie | 6 | 6 | ||||||||||||||||||||
 R Saad | 6 | 3 | 6 | R Saad | 2 | 4 | |||||||||||||||||||||
 R Smith | 4 | 6 | 3 | 5 | D Goldie | 6 | 6 | ||||||||||||||||||||
| Q | G Layendecker | 6 | 7 | 4 | J Frawley | 2 | 4 | ||||||||||||||||||||
| Q | L Scott | 3 | 6 | Q | G Layendecker | 7 | 3 | 4 | |||||||||||||||||||
| P Baur | 2 | 6 | 4 | J Frawley | 6 | 6 | 6 | ||||||||||||||||||||
| 4 | J Frawley | 6 | 7 | 5 | D Goldie | 6 | 6 | ||||||||||||||||||||
| 8 | T Nelson | 4 | 7 | 6 | 2 | E Teltscher | 2 | 3 | |||||||||||||||||||
| B Scanlon | 6 | 6 | 4 | 8 | T Nelson | 1 | 6 | 6 | |||||||||||||||||||
| S Youl | 7 | 3 | 3 | M Anger | 6 | 3 | 3 | ||||||||||||||||||||
| M Anger | 6 | 6 | 6 | 8 | T Nelson | 6 | 3 | ||||||||||||||||||||
| WC | J-S Yoo | 6 | 7 | 2 | E Teltscher | 7 | 6 | ||||||||||||||||||||
| P Chamberlin | 4 | 6 | WC | J-S Yoo | 6 | 3 | 2 | ||||||||||||||||||||
 J Carlsson | 3 | 2 | 2 | E Teltscher | 3 | 6 | 6 | ||||||||||||||||||||
| 2 | E Teltscher | 6 | 6 | ||||||||||||||||||||||||
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