2020 Astana Open – Singles
| Singles | |
|---|---|
| 2020 Astana Open | |
| Champion | John Millman |
| Runner-up | Adrian Mannarino |
| Score | 7–5, 6–1 |
This was the first edition of the tournament, primarily organised due to the cancellation of many tournaments during the 2020 season, because of the ongoing COVID-19 pandemic.
Fourth seed John Millman won his first (and only) ATP Tour title, defeating third seed Adrian Mannarino in the final, 7–5, 6–1. He saved two match points against Tommy Paul in quarterfinals.