# 2024 Istanbul Challenger – Singles

Damir Džumhur was the defending champion and successfully defended his title after defeating Hamad Medjedovic 6–4, 6–2 in the final.

## Seeds

* Damir Džumhur (champion)
* Mikhail Kukushkin (first round)
* Jesper de Jong (semifinals)
* Duje Ajduković (second round)
* Hamad Medjedovic (final)
* August Holmgren (first round)
* Martin Damm (first round)
* Denis Yevseyev (first round, retired)

## 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 |
| 1 | Damir Džumhur | 2 | 7 | 7$^9$ | | | | |
| 3 | Jesper de Jong | 6 | 5 | 6$^7$ | | | | |
| 3 | Jesper de Jong | 6 | 5 | 6$^7$ | 1 | Damir Džumhur | 6 | 6 |
| | | | | | 5 | Hamad Medjedovic | 4 | 2 |
| 5 | Hamad Medjedovic | 6 | 6 | | 5 | Hamad Medjedovic | 4 | 2 |
| | Martín Landaluce | 4 | 2 | | | | | |

### 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 | D Džumhur | 2 | | | | | | | | | | | | | | | | | |
| | R Berankis | 2$^r$ | | | 1 | D Džumhur | 6 | 6 | | | | | | | | | | | |
| Alt | D Prižmić | 6$^2$ | 6 | 6 | Alt | D Prižmić | 2 | 2 | | | | | | | | | | | |
| Q | C İlkel | 7$^7$ | 3 | 2 | | | | | | 1 | D Džumhur | 6$^6$ | 6 | 4 | | | | | |
| | J Pinnington Jones | 4 | 6 | 6 | | | | | | | J Pinnington Jones | 7$^8$ | 1 | 0$^r$ | | | | | |
| | A Dougaz | 6 | 3 | 0 | | J Pinnington Jones | 4 | 6 | 6 | | | | | | | | | | |
| Q | B Lock | 7$^7$ | 6 | | Q | B Lock | 6 | 1 | 0 | | | | | | | | | | |
| 6 | A Holmgren | 6$^3$ | 1 | | | | | | | | | | | | 1 | D Džumhur | 2 | 7 | 7$^9$ |
| 3 | J de Jong | 3 | 6 | 6 | | | | | | | | | | | 3 | J de Jong | 6 | 5 | 6$^7$ |
| Alt | GA Boitan | 6 | 2 | 1 | 3 | J de Jong | 4 | 6 | 6 | | | | | | | | | | |
| Q | E Agafonov | 3 | 6 | 7$^7$ | Q | E Agafonov | 6 | 1 | 4 | | | | | | | | | | |
| WC | Y Erel | 6 | 3 | 6$^4$ | | | | | | 3 | J de Jong | 6$^3$ | 7 | 6 | | | | | |
| Q | I Simakin | 6 | 6 | | | | | | | Q | I Simakin | 7$^7$ | 5 | 3 | | | | | |
| | J Veselý | 1 | 4 | | Q | I Simakin | 6 | 4 | 6 | | | | | | | | | | |
| | G Brouwer | 6 | 2 | | | G Brouwer | 0 | 6 | 3 | | | | | | | | | | |
| 8 | D Yevseyev | 4 | 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 | Semifinals | Semifinals | Semifinals | Semifinals |
| 5 | H Medjedovic | 6 | 6 | | | | | | | | | | | | | | |
| | R Pacheco Méndez | 2 | 4 | | 5 | H Medjedovic | 6 | 1 | | | | | | | | | |
| | C Crețu | 6$^5$ | 4 | | | E Ymer | 4 | 1$^r$ | | | | | | | | | |
| | E Ymer | 7$^7$ | 6 | | | | | | | 5 | H Medjedovic | 6 | 6 | | | | |
| WC | Tuncay Duran | 3 | 4 | | | | | | | | M Dodig | 0 | 4 | | | | |
| | M Dodig | 6 | 6 | | | M Dodig | 6 | 3 | 7$^7$ | | | | | | | | |
| | R Ramanathan | 4 | 3 | | 4 | D Ajduković | 3 | 6 | 6$^3$ | | | | | | | | |
| 4 | D Ajduković | 6 | 6 | | | | | | | | | | | 5 | H Medjedovic | 6 | 6 |
| 7 | M Damm | 3 | 1 | | | | | | | | | | | | M Landaluce | 4 | 2 |
| Q | S Purtseladze | 6 | 6 | | Q | S Purtseladze | 4 | 3 | | | | | | | | | |
| Q | Maxim Zhukov | 3 | 6 | 4 | | M Landaluce | 6 | 6 | | | | | | | | | |
| | M Landaluce | 6 | 4 | 6 | | | | | | | M Landaluce | 6 | 6 | | | | |
| WC | K Kırcı | 2 | 1 | | | | | | | | E Møller | 2 | 4 | | | | |
| | E Møller | 6 | 6 | | | E Møller | 7$^8$ | 6 | | | | | | | | | |
| | M Geerts | 4 | 6 | 7 | | M Geerts | 6$^6$ | 2 | | | | | | | | | |
| 2 | M Kukushkin | 6 | 3 | 5 | | | | | | | | | | | | | |