1989 U.S. Men's Clay Court Championships – Singles

Seeds
A champion seed is indicated in bold text while text in italics indicates the round in which that seed was eliminated.


 * 1) 🇺🇸 Brad Gilbert (quarterfinals)
 * 2) 🇺🇸 Michael Chang (quarterfinals)
 * 3) 🇧🇷 Luiz Mattar (quarterfinals)
 * 4) 🇺🇸 Dan Goldie (first round)
 * 5) 🇺🇸 Johan Kriek (second round)
 * 6) 🇺🇸 Jay Berger (champion)
 * 7) 🇺🇸 Paul Annacone (first round)
 * 8)  Bruno Orešar (first round)