# 2024 Dobrich Challenger II – Singles

Juan Bautista Torres was the defending champion but chose not to defend his title.
Guy den Ouden won the title after defeating Jelle Sels 6–2, 6–3 in the final.

## Seeds

* Valentin Royer (quarterfinals)
* Stefano Travaglia (withdrew)
* Oliver Crawford (first round)
* Liam Draxl (second round)
* Francesco Maestrelli (first round)
* Lorenzo Giustino (quarterfinals)
* Enrico Dalla Valle (first round)
* Clément Tabur (first round)
* Dimitar Kuzmanov (quarterfinals)

## 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 |
| Alt | Genaro Alberto Olivieri | 1 | 4 | | | |
| | Guy den Ouden | 6 | 6 | | | |
| | Guy den Ouden | 6 | 6 | Guy den Ouden | 6 | 6 |
| | | | | Jelle Sels | 2 | 3 |
| | Jakub Nicod | 2 | 0$^r$ | Jelle Sels | 2 | 3 |
| | Jelle Sels | 6 | 1 | | | |

### 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 | V Royer | 6 | 6 | | | | | | | | | | | | | | |
| | N Sánchez Izquierdo | 2 | 3 | | 1 | V Royer | 6 | 4 | 7 | | | | | | | | |
| Q | Filippo Romano | 3 | 6 | 6$^4$ | | À Martí Pujolràs | 0 | 6 | 5 | | | | | | | | |
| | Àlex Martí Pujolràs | 6 | 4 | 7$^7$ | | | | | | 1 | V Royer | 4 | 3 | | | | |
| Alt | GA Olivieri | 6 | 7$^7$ | | | | | | | Alt | GA Olivieri | 6 | 6 | | | | |
| | J Forejtek | 3 | 6$^3$ | | Alt | GA Olivieri | 7 | 6$^3$ | 7$^9$ | | | | | | | | |
| | F Gill | 0 | 6 | 7 | | F Gill | 5 | 7$^7$ | 6$^7$ | | | | | | | | |
| 7 | E Dalla Valle | 6 | 4 | 5 | | | | | | | | | | Alt | GA Olivieri | 1 | 4 |
| 4 | L Draxl | 6 | 6 | | | | | | | | | | | | G den Ouden | 6 | 6 |
| | T Kodat | 1 | 3 | | 4 | L Draxl | 3 | 5 | | | | | | | | | |
| | G den Ouden | 7$^7$ | 6 | | | G den Ouden | 6 | 7 | | | | | | | | | |
| Q | F Ferreira Silva | 6$^5$ | 3 | | | | | | | | G den Ouden | 6 | 6 | | | | |
| WC | Dinko Dinev | 2 | 2 | | | | | | | WC | A Donski | 3 | 3 | | | | |
| Q | Max Alcalá Gurri | 6 | 6 | | Q | M Alcalá Gurri | 0 | 7 | 3 | | | | | | | | |
| WC | A Donski | 7$^7$ | 6 | | WC | A Donski | 6 | 5 | 6 | | | | | | | | |
| 8 | C Tabur | 6$^4$ | 2 | | | | | | | | | | | | | | |

### 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 |
| 6 | L Giustino | 6 | 6 | | | | | | | | | | | | | |
| Q | K Coppejans | 3 | 4 | | 6 | L Giustino | 7$^7$ | 2 | 6 | | | | | | | |
| Q | C Negritu | 6 | 6 | | Q | C Negritu | 6$^2$ | 6 | 2 | | | | | | | |
| | Luka Pavlovic | 1 | 4 | | | | | | | 6 | L Giustino | 6$^5$ | 2 | | | |
| | Filip Jeff Planinšek | 6 | 3 | 6$^{11}$ | | | | | | | J Nicod | 7$^7$ | 6 | | | |
| | D Jordà Sanchis | 3 | 6 | 7$^{13}$ | | D Jordà Sanchis | 6$^6$ | 7$^7$ | 5 | | | | | | | |
| | Jakub Nicod | 6 | 6 | | | J Nicod | 7$^8$ | 6$^2$ | 7 | | | | | | | |
| 3 | O Crawford | 3 | 2 | | | | | | | | | | | J Nicod | 2 | 0$^r$ |
| 5 | F Maestrelli | 6 | 6$^3$ | 2 | | | | | | | | | | J Sels | 6 | 1 |
| | J Sels | 4 | 7$^7$ | 6 | | J Sels | 6 | 6 | | | | | | | | |
| | B Lock | 4 | 6 | 1 | | C Denolly | 4 | 4 | | | | | | | | |
| | C Denolly | 6 | 3 | 6 | | | | | | | J Sels | 7$^7$ | 7 | | | |
| WC | Ivan Ivanov | 6 | 5 | 1 | | | | | | 9 | D Kuzmanov | 6$^3$ | 5 | | | |
| Q | R Strombachs | 4 | 7 | 6 | Q | R Strombachs | 6$^3$ | 6$^4$ | | | | | | | | |
| | R Brancaccio | 5 | 3 | | 9 | D Kuzmanov | 7$^7$ | 7$^7$ | | | | | | | | |
| 9 | D Kuzmanov | 7 | 6 | | | | | | | | | | | | | |