# 2023 Astana Open – Singles

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.
* Tallon Griekspoor (quarterfinals)
* Sebastián Báez (second round)
* Alexander Bublik (second round)
* Jiří Lehečka (quarterfinals)
* Sebastian Korda (final)
* Adrian Mannarino (champion)
* Laslo Djere (first round, retired)
* Stan Wawrinka (first round)

## Draw
### Key

* Q = Qualifier
* WC = Wild card
* LL = Lucky loser
* Alt = Alternate
* SE = Special exempt
* PR = Protected ranking
* ITF = ITF entry
* JE = Junior exempt
* w/o = Walkover
* r = Retired
* d = Defaulted
* SR = Special ranking

### Finals

| Semifinals | Semifinals | Semifinals | Semifinals | Semifinals | Final | Final | Final | Final | Final |
| 5 | Sebastian Korda | 6$^8$ | 7$^7$ | 7$^7$ | | | | | |
| WC | Hamad Medjedovic | 7$^{10}$ | 6$^2$ | 6$^3$ | | | | | |
| WC | Hamad Medjedovic | 7$^{10}$ | 6$^2$ | 6$^3$ | 5 | Sebastian Korda | 6 | 3 | 2 |
| | | | | | 6 | Adrian Mannarino | 4 | 6 | 6 |
| | Sebastian Ofner | 4 | 2 | | 6 | Adrian Mannarino | 4 | 6 | 6 |
| 6 | Adrian Mannarino | 6 | 6 | | | | | | |

### Top half

| First round | First round | First round | First round | First round | Second round | Second round | Second round | Second round | Second round | Quarterfinals | Quarterfinals | Quarterfinals | Quarterfinals | Quarterfinals | Semifinals | Semifinals | Semifinals | Semifinals | Semifinals |
| | | | | | 1 | T Griekspoor | 7$^7$ | 6$^4$ | 6 | | | | | | | | | | |
| Q | S Shimabukuro | 6 | 6 | | Q | S Shimabukuro | 6$^5$ | 7$^7$ | 1 | | | | | | | | | | |
| | R Carballés Baena | 2 | 4 | | | | | | | 1 | T Griekspoor | 4 | 6 | 3 | | | | | |
| WC | M Kukushkin | 7 | 6$^6$ | 4 | | | | | | 5 | S Korda | 6 | 4 | 6 | | | | | |
| | N Borges | 5 | 7$^8$ | 6 | | N Borges | 4 | 6$^4$ | | | | | | | | | | | |
| | A Popyrin | 6$^5$ | 7$^7$ | 4 | 5 | S Korda | 6 | 7$^7$ | | | | | | | | | | | |
| 5 | S Korda | 7$^7$ | 6$^4$ | 6 | | | | | | | | | | | 5 | S Korda | 6$^8$ | 7$^7$ | 7$^7$ |
| | | | | | | | | | | | | | | | WC | H Medjedovic | 7$^{10}$ | 6$^2$ | 6$^3$ |
| | | | | | 4 | J Lehečka | 6 | 7$^7$ | | | | | | | | | | | |
| Q | E Gerasimov | 7$^7$ | 6 | | Q | E Gerasimov | 2 | 6$^3$ | | | | | | | | | | | |
| | B Zapata Miralles | 6$^5$ | 3 | | | | | | | 4 | J Lehečka | 3 | 4 | | | | | | |
| WC | A Shevchenko | 6 | 6 | | | | | | | WC | H Medjedovic | 6 | 6 | | | | | | |
| | B van de Zandschulp | 4 | 3 | | WC | A Shevchenko | 4 | 4 | | | | | | | | | | | |
| WC | H Medjedovic | 6 | 2 | | WC | H Medjedovic | 6 | 6 | | | | | | | | | | | |
| 7 | L Djere | 3 | 1$^r$ | | | | | | | | | | | | | | | | |

### Bottom half

| First round | First round | First round | First round | First round | Second round | Second round | Second round | Second round | Second round | Quarterfinals | Quarterfinals | Quarterfinals | Quarterfinals | Quarterfinals | Semifinals | Semifinals | Semifinals | Semifinals |
| 8 | S Wawrinka | 7$^8$ | 6$^4$ | 6$^6$ | | | | | | | | | | | | | | |
| | M Giron | 6$^6$ | 7$^7$ | 7$^8$ | | M Giron | 3 | 6 | 6$^2$ | | | | | | | | | |
| | JP Varillas | 3 | 6$^8$ | | | D Thiem | 6 | 4 | 7$^7$ | | | | | | | | | |
| | D Thiem | 6 | 7$^{10}$ | | | | | | | | D Thiem | 7 | 4 | 2 | | | | |
| | M Fucsovics | 6 | 2 | 3 | | | | | | | S Ofner | 5 | 6 | 6 | | | | |
| | S Ofner | 2 | 6 | 6 | | S Ofner | 6 | 6 | | | | | | | | | | |
| | | | | | 3 | A Bublik | 4 | 2 | | | | | | | | | | |
| | | | | | | | | | | | | | | | | S Ofner | 4 | 2 |
| 6 | A Mannarino | 7$^7$ | 6 | | | | | | | | | | | | 6 | A Mannarino | 6 | 6 |
| | A Rinderknech | 6$^4$ | 2 | | 6 | A Mannarino | 6 | 5 | 6 | | | | | | | | | |
| Q | A Kachmazov | 6 | 7$^7$ | | Q | A Kachmazov | 2 | 7 | 3 | | | | | | | | | |
| | C Moutet | 3 | 6$^5$ | | | | | | | 6 | A Mannarino | 6 | 7$^8$ | | | | | |
| | G Barrère | 6 | 4 | 6$^5$ | | | | | | Q | J Rodionov | 1 | 6$^6$ | | | | | |
| Q | J Rodionov | 2 | 6 | 7$^7$ | Q | J Rodionov | 6 | 6 | | | | | | | | | | |
| | | | | | 2 | S Báez | 2 | 4 | | | | | | | | | | |

## Qualifying
### Seeds

* Borna Gojo (withdrew)
* Alexandre Müller (qualifying competition)
* Fábián Marozsán (first round)
* Taro Daniel (qualifying competition)
* Jurij Rodionov (qualified)
* Sho Shimabukuro (qualified)
* Damir Džumhur (qualifying competition)
* Zizou Bergs (first round)

### Qualifiers

* Jurij Rodionov
* Egor Gerasimov
* Alibek Kachmazov
* Sho Shimabukuro

### Qualifying draw
#### First qualifier

| First round | First round | First round | First round | Qualifying competition | Qualifying competition | Qualifying competition | Qualifying competition |
| Alt | Rubin Statham | 4 | 1 | | | | |
| | Kimmer Coppejans | 6 | 0$^r$ | | | | |
| | Kimmer Coppejans | 6 | 0$^r$ | Alt | Rubin Statham | 6$^7$ | 4 |
| | | | | 5 | Jurij Rodionov | 7$^9$ | 6 |
| | Evgeny Donskoy | 1 | 2 | 5 | Jurij Rodionov | 7$^9$ | 6 |
| 5 | Jurij Rodionov | 6 | 6 | | | | |

#### Second qualifier

| First round | First round | First round | First round | Qualifying competition | Qualifying competition | Qualifying competition | Qualifying competition |
| 2 | Alexandre Müller | 6 | 6 | | | | |
| WC | Timur Maulenov | 4 | 2 | | | | |
| WC | Timur Maulenov | 4 | 2 | 2 | Alexandre Müller | 4 | 6$^3$ |
| | | | | PR | Egor Gerasimov | 6 | 7$^7$ |
| PR | Egor Gerasimov | 6 | 6 | PR | Egor Gerasimov | 6 | 7$^7$ |
| 8 | Zizou Bergs | 4 | 4 | | | | |

#### Third qualifier

| First round | First round | First round | First round | Qualifying competition | Qualifying competition | Qualifying competition | Qualifying competition |
| 3 | Fábián Marozsán | 2 | 4 | | | | |
| Alt | Alibek Kachmazov | 6 | 6 | | | | |
| Alt | Alibek Kachmazov | 6 | 6 | Alt | Alibek Kachmazov | 7$^7$ | 7$^{10}$ |
| | | | | 7 | Damir Džumhur | 6$^4$ | 6$^8$ |
| Alt | Dominik Palán | 6$^5$ | 3 | 7 | Damir Džumhur | 6$^4$ | 6$^8$ |
| 7 | Damir Džumhur | 7$^7$ | 6 | | | | |

#### Fourth qualifier

| First round | First round | First round | First round | First round | Qualifying competition | Qualifying competition | Qualifying competition | Qualifying competition | Qualifying competition |
| 4 | Taro Daniel | 7 | 7$^7$ | | | | | | |
| | Stefano Napolitano | 5 | 6$^5$ | | | | | | |
| | Stefano Napolitano | 5 | 6$^5$ | | 4 | Taro Daniel | 3 | 7$^9$ | 6$^6$ |
| | | | | | 6 | Sho Shimabukuro | 6 | 6$^7$ | 7$^8$ |
| WC | Saba Purtseladze | 0 | 6 | 2 | 6 | Sho Shimabukuro | 6 | 6$^7$ | 7$^8$ |
| 6 | Sho Shimabukuro | 6 | 2 | 6 | | | | | |