2023 Adelaide International 1 – Men's singles
| Men's singles | |
|---|---|
| 2023 Adelaide International 1 | |
| Champion | Novak Djokovic |
| Runner-up | Sebastian Korda |
| Score | 6–7(8–10), 7–6(7–3), 6–4 |
| Draw | 32 (3 WC, 4 Q) |
| Seeds | 8 |
Novak Djokovic defeated Sebastian Korda in the final, 6–7(8–10), 7–6(7–3), 6–4 to win the men's singles title at the 2023 Adelaide International 1. He saved a championship point en route to his 92nd ATP Tour singles title, equaling Rafael Nadal's tally for the fourth-most men's singles titles in the Open Era.
Gaël Monfils was the reigning champion, but chose not to participate this year.