2019 Sydney International – Men's singles
| Men's singles | |
|---|---|
| 2019 Sydney International | |
| Champion | Alex de Minaur | 
| Runner-up | Andreas Seppi | 
| Score | 7–5, 7–6(7–5) | 
| Draw | 28 (4 Q / 3 WC ) | 
| Seeds | 8 | 
Daniil Medvedev was the defending champion, but withdrew before his first match.
Alex de Minaur won his first ATP Tour title, defeating Andreas Seppi in the final, 7–5, 7–6(7–5).