Champion David Wheaton Final score 6–4, 6–3 | Runner-up Mark Kaplan Singles Doubles | |
Jay Berger was the defending champion, but did not participate this year.
David Wheaton won the title, defeating Mark Kaplan 6–4, 6–3 in the final.
Seeds
A champion seed is indicated in bold text while text in italics indicates the round in which that seed was eliminated.
References
1990 U.S. Men's Clay Court Championships – Singles Wikipedia(Text) CC BY-SA