# 2024 Tennis Open Karlsruhe – Singles

Alejandro Tabilo was the defending champion but chose not to defend his title.
Jozef Kovalík won the title after defeating Camilo Ugo Carabelli 6–3, 7–6$^{(7–2)}$ in the final.

## Seeds

* Camilo Ugo Carabelli (final)
* Jozef Kovalík (champion)
* Pierre-Hugues Herbert (first round)
* Benjamin Hassan (quarterfinals)
* Denis Yevseyev (first round)
* Hugo Dellien (first round)
* Zsombor Piros (semifinals)
* Joris De Loore (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 |
| 1 | Camilo Ugo Carabelli | 6 | 6 | | | | | |
| 7 | Zsombor Piros | 4 | 0 | | | | | |
| 7 | Zsombor Piros | 4 | 0 | | 1 | Camilo Ugo Carabelli | 3 | 6$^2$ |
| | | | | | 2 | Jozef Kovalík | 6 | 7$^7$ |
| | Daniel Masur | 7$^7$ | 0 | 1 | 2 | Jozef Kovalík | 6 | 7$^7$ |
| 2 | Jozef Kovalík | 6$^3$ | 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 |
| 1 | C Ugo Carabelli | 3 | 6 | 6 | | | | | | | | | | | | | | |
| | Z Kolář | 6 | 3 | 1 | 1 | C Ugo Carabelli | 6 | 7 | | | | | | | | | | |
| | S Rodríguez Taverna | 6$^4$ | 6$^6$ | | Q | A Zakharov | 4 | 5 | | | | | | | | | | |
| Q | A Zakharov | 7$^7$ | 7$^8$ | | | | | | | 1 | C Ugo Carabelli | 6 | 6 | | | | | |
| | M Vrbenský | 6 | 3 | 6 | | | | | | Q | E Butvilas | 4 | 1 | | | | | |
| WC | N Kuhn | 1 | 6 | 4 | | M Vrbenský | 7 | 1 | 3 | | | | | | | | | |
| Q | E Butvilas | 5 | 6 | 7$^7$ | Q | E Butvilas | 5 | 6 | 6 | | | | | | | | | |
| 6 | H Dellien | 7 | 3 | 6$^3$ | | | | | | | | | | | 1 | C Ugo Carabelli | 6 | 6 |
| 3 | P-H Herbert | 4 | 4 | | | | | | | | | | | | 7 | Z Piros | 4 | 0 |
| WC | J Engel | 6 | 6 | | WC | J Engel | 6 | 4 | 0 | | | | | | | | | |
| | J Kym | 3 | 7$^7$ | 5 | | A Andreev | 4 | 6 | 6 | | | | | | | | | |
| | A Andreev | 6 | 6$^4$ | 7 | | | | | | | A Andreev | 6 | 3 | 3 | | | | |
| | C Tabur | 6 | 6 | | | | | | | 7 | Z Piros | 3 | 6 | 6 | | | | |
| Alt | T Kodat | 2 | 3 | | | C Tabur | 7 | 4 | 3 | | | | | | | | | |
| | N Sánchez Izquierdo | 6$^5$ | 4 | | 7 | Z Piros | 5 | 6 | 6 | | | | | | | | | |
| 7 | Z Piros | 7$^7$ | 6 | | | | | | | | | | | | | | | |

### 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 | Semifinals |
| 5 | D Yevseyev | 2 | 3 | | | | | | | | | | | | | | | |
| | A Shelbayh | 6 | 6 | | | A Shelbayh | 6$^6$ | 3 | | | | | | | | | | |
| | D Masur | 3 | 6 | 7 | | D Masur | 7$^8$ | 6 | | | | | | | | | | |
| | A Kachmazov | 6 | 4 | 5 | | | | | | | D Masur | 6 | 6 | | | | | |
| Q | R Strombachs | 6 | 6 | | | | | | | 4 | B Hassan | 3 | 3 | | | | | |
| | D Rincón | 3 | 4 | | Q | R Strombachs | 3 | 4 | | | | | | | | | | |
| Q | MH Rehberg | 1 | 4 | | 4 | B Hassan | 6 | 6 | | | | | | | | | | |
| 4 | B Hassan | 6 | 6 | | | | | | | | | | | | D Masur | 7$^7$ | 0 | 1 |
| 8 | J De Loore | 6$^5$ | 6 | 3 | | | | | | | | | | 2 | J Kovalík | 6$^3$ | 6 | 6 |
| | R Molleker | 7$^7$ | 1 | 6 | | R Molleker | 6 | 6 | | | | | | | | | | |
| PR | E Furness | 6 | 6 | | PR | E Furness | 4 | 2 | | | | | | | | | | |
| WC | Diego Dedura-Palomero | 3 | 2 | | | | | | | | R Molleker | 6$^6$ | 2 | | | | | |
| | G Oliveira | 3 | 2 | | | | | | | 2 | J Kovalík | 7$^8$ | 6 | | | | | |
| Q | Liam Gavrielides | 6 | 6 | | Q | L Gavrielides | 7 | 3 | 4 | | | | | | | | | |
| Q | Niklas Schell | 1 | 2 | | 2 | J Kovalík | 5 | 6 | 6 | | | | | | | | | |
| 2 | J Kovalík | 6 | 6 | | | | | | | | | | | | | | | |