1975 Custom Credit Australian Indoor Championships

The 1975 Custom Credit Australian Indoor Championships was a men's professional tennis tournament played on indoor hard courts at the Hordern Pavilion in Sydney, Australia and was part of the 1975 Commercial Union Assurance Grand Prix as a Group AA category event. The tournament was held from 13 October through 19 October 1975. Unseeded Stan Smith won the singles title.

Finals

Stan Smith defeated Robert Lutz 7–6, 6–2

It was Gottfried's 13th title of the year and the 21st of his career. It was Ramírez's 15th title of the year and the 24th of his career.

"1975 Sydney Indoor – Singles draw". Association of Tennis Professionals (ATP).
"1975 Sydney Indoor – Doubles draw". Association of Tennis Professionals (ATP).
Tom Jacob (20 October 1975). "Smith's first title for 15 months". The Age. p. 22 – via Google News Archive.
John Barrett, ed. (1976). World of Tennis '76. London: Queen Anne Press. pp. 105, 106. ISBN 9780362002768. OCLC 650229036.

AA	Hamburg Rome Washington Louisville Indianapolis Toronto Boston Los Angeles San Francisco Sydney Indoor Tehran Stockholm Tokyo Outdoor Johannesburg
A	Madrid Barcelona Manila Buenos Aires
B	Australian Open Munich Bournemouth Düsseldorf Båstad Gstaad Kitzbühel Hilversum Cincinnati North Conway Columbus South Orange Maui Melbourne Paris Indoor Hong Kong Calcutta

Team events