1975 Custom Credit Indoor Tennis Tournament – Singles

John Newcombe was the defending champion but lost in the second round to Vijay Amritraj.

Stan Smith won in the final 7–6, 6–2 against Robert Lutz.

Seeds

 * 1) 🇦🇺 Ken Rosewall (third round)
 * 2) 🇦🇺 John Newcombe (second round)
 * 3) 🇦🇺 Tony Roche (third round)
 * 4) 🇦🇺 John Alexander (quarterfinals)
 * 5) 🇲🇽 Raúl Ramírez (third round)
 * 6) 🇺🇸 Harold Solomon (first round)
 * 7) 🇺🇸 Cliff Richey (third round)
 * 8) 🇺🇸 Brian Gottfried (semifinals)