1990 KAL Cup Korea Open
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The 1990 KAL Cup Korea Open was a tennis tournament played on outdoor hard courts that was part of the World Series of the 1990 ATP Tour. It was played at Seoul in South Korea from April 16 through April 23, 1990.
Champions
Men's Singles
Alex Antonitsch defeated Pat Cash 7–6, 6–3
- It was Antonitsch's only title of the year and the 3rd of his career.
Men's Doubles
Grant Connell / Glenn Michibata defeated Jason Stoltenberg / Todd Woodbridge 7–6, 6–4
- It was Connell's 1st title of the year and the 2nd of his career. It was Michibata's 1st title of the year and the 2nd of his career.