1983 U.S. Pro Indoor – Singles

The 1983 U.S. Pro Indoor – Singles was an event of the 1983 U.S. Pro Indoor men's tennis tournament. The draw consisted of 48 players, 16 of them were seeded. First-seeded John McEnroe was the defending champion. He successfully defended his title, defeating second-seeded Ivan Lendl, 4–6, 7–6(9–7), 6–4, 6–3 in the final, breaking a seven-match losing streak against the Czech.

Seeds

 * 1) 🇺🇸 John McEnroe (champion)
 * 2)  Ivan Lendl (final)
 * 3) 🇸🇪 Mats Wilander (third round)
 * 4) 🇺🇸 Gene Mayer (third round)
 * 5) 🇦🇺 Peter McNamara (quarterfinals)
 * 6) 🇺🇸 Steve Denton (third round)
 * 7) 🇺🇸 Eliot Teltscher (quarterfinals)
 * 8) 🇺🇸 Sandy Mayer (second round)
 * 9)  Kevin Curren (second round)
 * 10) 🇺🇸 Jimmy Arias (second round)
 * 11) 🇺🇸 Brian Gottfried (quarterfinals)
 * 12) 🇵🇱 Wojtek Fibak (quarterfinals)
 * 13)  Tomáš Šmíd (third round)
 * 14) 🇺🇸 Mel Purcell (second round)
 * 15) 🇫🇷 Henri Leconte (third round)
 * 16) 🇺🇸 Tim Mayotte (semifinals)