1978 U.S. Pro Indoor – Singles

Dick Stockton was the defending champion, but lost in the first round.

Jimmy Connors won the title, defeating Roscoe Tanner, 6–2, 6–4, 6–3 in the final.

Seeds

 * 1) 🇺🇸 Jimmy Connors (champion)
 * 2) 🇸🇪 Björn Borg (quarterfinals)
 * 3) 🇺🇸 Brian Gottfried (semifinals)
 * 4) 🇺🇸 Vitas Gerulaitis (third round)
 * 5) 🇪🇸 Manuel Orantes (third round)
 * 6) 🇺🇸 Eddie Dibbs (semifinals)
 * 7) 🇲🇽 Raúl Ramírez (quarterfinals)
 * 8) 🇷🇴 Ilie Năstase (third round)
 * 9) 🇺🇸 Dick Stockton (first round)
 * 10) 🇺🇸 Roscoe Tanner (final)
 * 11) 🇮🇹 Corrado Barazzutti (first round)
 * 12) 🇦🇺 Ken Rosewall (third round)
 * 13) 🇵🇱 Wojtek Fibak (third round)
 * 14) 🇺🇸 Harold Solomon (third round)
 * 15) 🇺🇸 Sandy Mayer (quarterfinals)
 * 16) 🇺🇸 John McEnroe (quarterfinals)