2023 City of Playford Tennis International – Men's singles

Rinky Hijikata was the defending champion but lost in the semifinals to James Duckworth.

Duckworth won the title after defeating Coleman Wong 7–5, 7–5 in the final.

Seeds
• # 🇦🇺 Thanasi Kokkinakis (second round, retired)

• # 🇦🇺 Rinky Hijikata (semifinals)

• # 🇯🇵 Taro Daniel (semifinals)

• # 🇦🇺 James Duckworth (champion)

• # 🇦🇺 Marc Polmans (second round)

• # 🇰🇷 Hong Seong-chan (quarterfinals)

• # 🇦🇺 Dane Sweeny (first round)

• # 🇦🇺 Tristan Schoolkate (quarterfinals)