1989 United Jersey Bank Classic – Singles

Steffi Graf was the defending champion and won in the final 7–5, 6–2 against Andrea Temesvári.

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


 * 1)  Steffi Graf (champion)
 * 2) 🇺🇸 Pam Shriver (second round)
 * 3)  Jana Novotná (first round)
 * 4) 🇧🇬 Katerina Maleeva (second round)
 * 5) 🇦🇺 Hana Mandlíková (quarterfinals)
 * 6) 🇸🇪 Catarina Lindqvist (second round)
 * 7) 🇺🇸 Terry Phelps (second round)
 * 8)  Sylvia Hanika (quarterfinals)