# 2023 Antalya Challenger – Singles

Evgenii Tiurnev was the defending champion but chose not to defend his title.
Fábián Marozsán won the title after defeating Sebastian Ofner 7–5, 6–0 in the final.

## Seeds

* Sebastian Ofner (final)
* Fábián Marozsán (champion)
* Flavio Cobolli (second round)
* Vít Kopřiva (semifinals)
* Zdeněk Kolář (second round)
* Damir Džumhur (second round)
* Li Tu (first round)
* Nicholas David Ionel (second 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 | Final | Final | Final | Final |
| 1 | Sebastian Ofner | 7$^8$ | 7$^7$ | | | | |
| | Gianluca Mager | 6$^6$ | 6$^4$ | | | | |
| | Gianluca Mager | 6$^6$ | 6$^4$ | 1 | Sebastian Ofner | 5 | 0 |
| | | | | 2 | Fábián Marozsán | 7 | 6 |
| 4 | Vít Kopřiva | 3 | 2 | 2 | Fábián Marozsán | 7 | 6 |
| 2 | Fábián Marozsán | 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 | Semifinals | Semifinals | Semifinals | Semifinals |
| 1 | S Ofner | 7 | 6 | | | | | | | | | | | | | | |
| WC | Y Erel | 5 | 2 | | 1 | S Ofner | 4 | 7 | 7$^7$ | | | | | | | | |
| WC | E Kırkın | 3 | 2 | | | M Valkusz | 6 | 5 | 6$^5$ | | | | | | | | |
| | M Valkusz | 6 | 6 | | | | | | | 1 | S Ofner | 6 | 6 | | | | |
| | K Coppejans | 6 | 6 | | | | | | | | K Coppejans | 4 | 1 | | | | |
| | N Serdarušić | 4 | 2 | | | K Coppejans | 3 | 6 | 7$^7$ | | | | | | | | |
| Q | Mathys Erhard | 1 | 3 | | 5 | Z Kolář | 6 | 3 | 6$^3$ | | | | | | | | |
| 5 | Z Kolář | 6 | 6 | | | | | | | | | | | 1 | S Ofner | 7$^8$ | 7$^7$ |
| 3 | F Cobolli | 3 | 6 | 7$^7$ | | | | | | | | | | | G Mager | 6$^6$ | 6$^4$ |
| Q | M Bašić | 6 | 2 | 6$^4$ | 3 | F Cobolli | 0 | 3 | | | | | | | | | |
| LL | L Neumayer | 2 | 3 | | | G Mager | 6 | 6 | | | | | | | | | |
| | G Mager | 6 | 6 | | | | | | | | G Mager | 6 | 1 | | | | |
| | I Gakhov | 5 | 3 | | | | | | | | N Fatić | 4 | 0$^r$ | | | | |
| | N Fatić | 7 | 6 | | | N Fatić | 6 | 3 | 6 | | | | | | | | |
| Q | G Ferrari | 2 | 3 | | 6 | D Džumhur | 4 | 6 | 4 | | | | | | | | |
| 6 | D Džumhur | 6 | 6 | | | | | | | | | | | | | | |

### Bottom half

| First round | First round | First round | First round | First round | Second round | Second round | Second round | Second round | Quarterfinals | Quarterfinals | Quarterfinals | Quarterfinals | Quarterfinals | Semifinals | Semifinals | Semifinals | Semifinals |
| 7 | L Tu | 7$^7$ | 0 | 2 | | | | | | | | | | | | | |
| | M Geerts | 6$^0$ | 6 | 6 | | M Geerts | 6 | 6 | | | | | | | | | |
| Q | S Caruso | 6$^8$ | 6 | 6 | Q | S Caruso | 4 | 4 | | | | | | | | | |
| | N Sánchez Izquierdo | 7$^{10}$ | 4 | 2 | | | | | | M Geerts | 7$^7$ | 5 | 1 | | | | |
| WC | V Gaubas | 5 | 3 | | | | | | 4 | V Kopřiva | 6$^2$ | 7 | 6 | | | | |
| | S Diez | 7 | 6 | | | S Diez | 2 | 0 | | | | | | | | | |
| Q | S Travaglia | 7$^7$ | 3 | 4 | 4 | V Kopřiva | 6 | 6 | | | | | | | | | |
| 4 | V Kopřiva | 6$^4$ | 6 | 6 | | | | | | | | | | 4 | V Kopřiva | 3 | 2 |
| 8 | ND Ionel | 7$^7$ | 6 | | | | | | | | | | | 2 | F Marozsán | 6 | 6 |
| | O Roca Batalla | 6$^3$ | 0 | | 8 | ND Ionel | 0 | 3 | | | | | | | | | |
| | D Michalski | 4 | 6 | 6 | | D Michalski | 6 | 6 | | | | | | | | | |
| | J Domingues | 6 | 0 | 0 | | | | | | D Michalski | 6 | 1 | 2 | | | | |
| | A Giannessi | 7$^7$ | 6 | | | | | | 2 | F Marozsán | 1 | 6 | 6 | | | | |
| | Lucas Gerch | 6$^4$ | 1 | | | A Giannessi | 6$^5$ | 2 | | | | | | | | | |
| | M Zekić | 1 | 5 | | 2 | F Marozsán | 7$^7$ | 6 | | | | | | | | | |
| 2 | F Marozsán | 6 | 7 | | | | | | | | | | | | | | |