1975 Pacific Southwest Open – Singles

The 1975 Pacific Southwest Open – Singles was an event of the 1975 Pacific Southwest Open tennis tournament and was played on indoor carpet courts at the Pauley Pavilion in Los Angeles, in the United States, between September 16 and September 22, 1975. The draw comprised 64 players of which 16 were seeded. Jimmy Connors was the defending Pacific Southwest Open singles champion but did not compete in this edition. First-seeded Arthur Ashe won the title by defeating second-seeded Roscoe Tanner in the final, 3–6, 7–5, 6–3.

Seeds
• 🇺🇸 Arthur Ashe (champion)

• 🇺🇸 Roscoe Tanner (final)

• 🇲🇽 Raúl Ramírez (semifinals)

• 🇺🇸 Harold Solomon (semifinals)

• 🇺🇸 Marty Riessen (quarterfinals)

• 🇳🇿 Onny Parun (third round)

• 🇺🇸 Cliff Richey (third round)

• 🇺🇸 Dick Stockton (quarterfinals)

• (withdrew)

• 🇺🇸 Brian Gottfried (Second round)

• 🇺🇸 Bob Lutz (quarterfinals)

• 🇮🇳 Vijay Amritraj (second round)

• 🇦🇺 Ross Case (third round)

• 🇦🇺 Phil Dent (second round)

• 🇦🇺 Kim Warwick (third round)

• 🇺🇸 Charlie Pasarell (first round)