1990 Prudential-Bache Securities Classic – Singles

Andre Agassi was the defending champion, but did not participate that year. Brad Gilbert won the title, defeating Christo van Rensburg 6–2, 6–1, in the final.

Seeds

 * 1) 🇺🇸 Brad Gilbert (champion)
 * 2) 🇺🇸 Aaron Krickstein (second round, withdrew)
 * 3)  Christo van Rensburg (final)
 * 4) 🇺🇸 Scott Davis (quarterfinals)
 * 5) 🇺🇸 Glenn Layendecker (second round)
 * 6) 🇺🇸 Jimmy Arias (first round)
 * 7) 🇫🇮 Veli Paloheimo (first round, retired)
 * 8) 🇮🇳 Ramesh Krishnan (second round)