Adrian Mannarino defeated Sebastian Korda in the final, 4–6, 6–3, 6–2 to win the singles tennis title at the 2023 Astana Open. Mannarino won his second ATP Tour title of the season. Korda was contending for his first ATP Tour hardcourt title, but suffered a fifth loss in a tour-level hardcourt final.
Novak Djokovic was the reigning champion, but chose not to compete this year.
Seeds The top four seeds received a bye into the second round.
Draw
Finals
Top half
Bottom half
Qualifying Seeds
Qualifiers
Qualifying draw
First qualifier
Second qualifier
Third qualifier
Fourth qualifier
References
External links Main draw Qualifying draw