# 2024 Koblenz Open – Singles

Roman Safiullin was the defending champion but chose not to defend his title.
Jurij Rodionov won the title after defeating Brandon Nakashima 6–7$^{(7–9)}$, 6–1, 6–2 in the final.

## Seeds

* Jurij Rodionov (champion)
* Brandon Nakashima (final)
* Jan Choinski (withdrew)
* Lloyd Harris (first round)
* Zdeněk Kolář (quarterfinals)
* Mattia Bellucci (first round)
* Rudolf Molleker (quarterfinals)
* Francesco Passaro (withdrew)

## 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 | Final |
| 1 | Jurij Rodionov | 6 | 6 | | | | | |
| | Stefano Travaglia | 3 | 4 | | | | | |
| | Stefano Travaglia | 3 | 4 | 1 | Jurij Rodionov | 6$^7$ | 6 | 6 |
| | | | | 2 | Brandon Nakashima | 7$^9$ | 1 | 2 |
| Q | Hazem Naw | 3 | 5 | 2 | Brandon Nakashima | 7$^9$ | 1 | 2 |
| 2 | Brandon Nakashima | 6 | 7 | | | | | |

### 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 | J Rodionov | 6 | 6 | | | | | | | | | | | | | | | |
| | D Novak | 1 | 1 | | 1 | J Rodionov | 7$^7$ | 6 | | | | | | | | | | |
| | V Royer | 6$^3$ | 6 | 6 | | V Royer | 6$^4$ | 1 | | | | | | | | | | |
| Q | D Michalski | 7$^7$ | 4 | 2 | | | | | | 1 | J Rodionov | 6 | 7 | | | | | |
| | A Blockx | 3 | 6 | 7$^7$ | | | | | | 7 | R Molleker | 3 | 5 | | | | | |
| | G Mpetshi Perricard | 6 | 3 | 6$^3$ | | A Blockx | 3 | 0 | | | | | | | | | | |
| Q | M Kližan | 0 | 2 | | 7 | R Molleker | 6 | 6 | | | | | | | | | | |
| 7 | R Molleker | 6 | 6 | | | | | | | | | | | | 1 | J Rodionov | 6 | 6 |
| LL | F Agamenone | 4 | 5 | | | | | | | | | | | | | S Travaglia | 3 | 4 |
| | S Travaglia | 6 | 7 | | | S Travaglia | 6 | 6 | | | | | | | | | | |
| WC | H Squire | 4 | 4 | | | J Marie | 1 | 1 | | | | | | | | | | |
| | Jules Marie | 6 | 6 | | | | | | | | S Travaglia | 3 | 6 | 7$^9$ | | | | |
| | M Janvier | 4 | 1 | | | | | | | | M Damm | 6 | 3 | 6$^7$ | | | | |
| | M Kukushkin | 6 | 6 | | | M Kukushkin | 6$^1$ | 7 | 6$^3$ | | | | | | | | | |
| | M Damm | 6 | 6 | | | M Damm | 7$^7$ | 5 | 7$^7$ | | | | | | | | | |
| 6 | M Bellucci | 3 | 3 | | | | | | | | | | | | | | | |

### 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 | Z Kolář | 6 | 6 | | | | | | | | | | | | | | |
| Q | C Broom | 4 | 2 | | 5 | Z Kolář | 6 | 7$^7$ | | | | | | | | | |
| WC | Tom Gentzsch | 0 | 2 | | Q | T Lamasine | 3 | 6$^3$ | | | | | | | | | |
| Q | T Lamasine | 6 | 6 | | | | | | | 5 | Z Kolář | 2 | 4 | | | | |
| | B Harris | 5 | 5 | | | | | | | Q | H Naw | 6 | 6 | | | | |
| Q | H Naw | 7 | 7 | | Q | H Naw | 2 | 7$^7$ | 6 | | | | | | | | |
| Alt | O Otte | 5 | 6 | 6 | Alt | O Otte | 6 | 6$^3$ | 4 | | | | | | | | |
| 4 | L Harris | 7 | 1 | 4 | | | | | | | | | | Q | H Naw | 3 | 5 |
| LL | D Jordà Sanchis | 6 | 3 | 6 | | | | | | | | | | 2 | B Nakashima | 6 | 7 |
| | I Marchenko | 4 | 6 | 1 | LL | D Jordà Sanchis | 6$^6$ | 4 | | | | | | | | | |
| | R Brancaccio | 7$^9$ | 1 | 2 | WC | MH Rehberg | 7$^8$ | 6 | | | | | | | | | |
| WC | MH Rehberg | 6$^7$ | 6 | 6 | | | | | | WC | MH Rehberg | 3 | 4 | | | | |
| | R Peniston | 3 | 6 | 4 | | | | | | 2 | B Nakashima | 6 | 6 | | | | |
| Q | F Krajinović | 6 | 4 | 6 | Q | F Krajinović | 6$^5$ | 4 | | | | | | | | | |
| | A Moro Cañas | 1 | 2 | | 2 | B Nakashima | 7$^7$ | 6 | | | | | | | | | |
| 2 | B Nakashima | 6 | 6 | | | | | | | | | | | | | | |