| Seoul Open | |
| Type: | defunct |
| Established: | 1987 |
| Ended: | 1996 |
| Editions: | 10 |
| Location: | Seoul, South Korea |
| Event Name: | Seoul Open (1987–89, 1995–96) KAL Cup Korea Open (1990–94) |
| Tour: | Grand Prix circuit (1987–89) ATP Tour (1990–96) |
The Seoul Open is a defunct Grand Prix and ATP Tour affiliated men's tennis tournament played from 1987 to 1996. It was held at the Seoul Olympic Park Tennis Center in Seoul in South Korea and played on outdoor hard courts.
| Year | Champions | Runners-up | Score | ||
|---|---|---|---|---|---|
| 1–6, 6–4, 6–2 | |||||
| 6–3, 6–7, 6–0 | |||||
| 7–5, 6–4 | |||||
 Alex Antonitsch | 7–6, 6–3 | ||||
| 1991 | 6–4, 1–6, 7–6 | ||||
| 6–3, 4–6, 7–5 | |||||
| 1993 | 6–4, 6–4 | ||||
| 1994 | Jörn Renzenbrink | 6–4, 6–7, 6–3 | |||
| 1995 | 6–4, 3–1 ret. | ||||
| 7–6, 6–3 |
| Year | Champions | Runners-up | Score | |
|---|---|---|---|---|
| 1987 | 6–7, 6–1, 7–5 | |||
| 1988 | 6–7, 6–4, 7–6 | |||
| 1989 | 6–2, 6–4 | |||
| 1990 | 7–6, 6–4 | |||
| 1991 | 7–6, 6–1 | |||
| 1992 | 7–6, 6–4 | |||
| 1993 | 5–7, 7–6, 6–2 | |||
| 1994 | 6–4, 3–6, 7–5 | |||
| 1995 | 6–3, 6–2 | |||
| 1996 | 6–4, 6–4 |