Men's Singles | |
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1990 Canadian Open | |
1989 Champion |
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Champion |
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Runner-up |
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Final score | 4–6, 6–3, 7–6 |
Ivan Lendl was the defending champion but he did not compete that year.
Michael Chang won in the final, 4–6, 6–3, 7–6 in the final, against Jay Berger.
A champion seed is indicated in bold text while text in italics indicates the round in which that seed was eliminated. The top eight seeds received a bye into the second round.