# 2024 Slovak Open – Men's singles

Gabriel Diallo was the defending champion but lost in the quarterfinals to Raphaël Collignon.
Roman Safiullin won the title after defeating Collignon 6–3, 6–4 in the final.

## Seeds

* Roman Safiullin (champion)
* Gabriel Diallo (quarterfinals)
* Márton Fucsovics (first round)
* Jacob Fearnley (quarterfinals)
* Luca Nardi (first round)
* Damir Džumhur (first round)
* Alexander Ritschard (first round)
* Mikhail Kukushkin (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 | Semifinals | Final | Final | Final | Final |
| 1 | Roman Safiullin | 6 | 6 | | | | | |
| | Kei Nishikori | 4 | 3 | | | | | |
| | Kei Nishikori | 4 | 3 | | 1 | Roman Safiullin | 6 | 6 |
| | | | | | Q | Raphaël Collignon | 3 | 4 |
| | Dino Prižmić | 6 | 3 | 6$^4$ | Q | Raphaël Collignon | 3 | 4 |
| Q | Raphaël Collignon | 3 | 6 | 7$^7$ | | | | |

### 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 | R Safiullin | 7$^9$ | 7$^7$ | | | | | | | | | | | | | | | |
| Q | M Karol | 6$^7$ | 6$^5$ | | 1 | R Safiullin | 6 | 6 | | | | | | | | | | |
| Alt | M-A Hüsler | 6 | 6 | | Alt | M-A Hüsler | 4 | 3 | | | | | | | | | | |
| WC | Hynek Bartoň | 2 | 4 | | | | | | | 1 | R Safiullin | 6 | 6 | | | | | |
| | J Kovalík | 4 | 7$^7$ | 7$^7$ | | | | | | | A Karatsev | 3 | 2 | | | | | |
| | L Van Assche | 6 | 6$^5$ | 6$^0$ | | J Kovalík | 6$^6$ | 1 | | | | | | | | | | |
| | A Karatsev | 6$^6$ | 7$^7$ | 7$^7$ | | A Karatsev | 7$^8$ | 6 | | | | | | | | | | |
| 7 | A Ritschard | 7$^8$ | 6$^4$ | 6$^3$ | | | | | | | | | | | 1 | R Safiullin | 6 | 6 |
| 3 | M Fucsovics | 2 | 6 | 1 | | | | | | | | | | | | K Nishikori | 4 | 3 |
| | K Nishikori | 6 | 1 | 6 | | K Nishikori | 6 | 6$^3$ | 6 | | | | | | | | | |
| | O Virtanen | 3 | 4 | | | L Klein | 3 | 7$^7$ | 1 | | | | | | | | | |
| | L Klein | 6 | 6 | | | | | | | | K Nishikori | 6 | 5 | 6 | | | | |
| | C Lestienne | 3 | 7$^7$ | 7 | | | | | | | C Lestienne | 3 | 7 | 2 | | | | |
| | L Djere | 6 | 6$^5$ | 5 | | C Lestienne | 3 | 6 | 6 | | | | | | | | | |
| Alt | J Fonseca | 4 | 7 | 4 | 8 | M Kukushkin | 6 | 1 | 2 | | | | | | | | | |
| 8 | M Kukushkin | 6 | 5 | 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 | Quarterfinals | Semifinals | Semifinals | Semifinals | Semifinals | Semifinals |
| 5 | L Nardi | 3 | 4 | | | | | | | | | | | | | | | | |
| | D Prižmić | 6 | 6 | | | D Prižmić | 6 | 4 | 6 | | | | | | | | | | |
| | M Marterer | 4 | 3 | | WC | S Wawrinka | 2 | 6 | 3 | | | | | | | | | | |
| WC | S Wawrinka | 6 | 6 | | | | | | | | D Prižmić | 3 | 6 | 6 | | | | | |
| | B Harris | 4 | 5 | | | | | | | 4 | J Fearnley | 6 | 4 | 3 | | | | | |
| Q | A Kachmazov | 6 | 7 | | Q | A Kachmazov | 2 | 4 | | | | | | | | | | | |
| WC | Lukáš Pokorný | 6$^3$ | 1 | | 4 | J Fearnley | 6 | 6 | | | | | | | | | | | |
| 4 | J Fearnley | 7$^7$ | 6 | | | | | | | | | | | | | D Prižmić | 6 | 3 | 6$^4$ |
| 6 | D Džumhur | 3 | 2 | | | | | | | | | | | | Q | R Collignon | 3 | 6 | 7$^7$ |
| Q | Em Nava | 6 | 6 | | Q | Em Nava | 7$^7$ | 3 | 5 | | | | | | | | | | |
| Q | R Collignon | 6 | 3 | 6 | Q | R Collignon | 6$^3$ | 6 | 7 | | | | | | | | | | |
| Q | H Medjedovic | 3 | 6 | 3 | | | | | | Q | R Collignon | 3 | 7$^7$ | 7 | | | | | |
| | P-H Herbert | 6 | 6 | | | | | | | 2 | G Diallo | 6 | 6$^3$ | 5 | | | | | |
| | TA Tirante | 3 | 2 | | | P-H Herbert | 2 | 4 | | | | | | | | | | | |
| Q | Z Piros | 1 | 5 | | 2 | G Diallo | 6 | 6 | | | | | | | | | | | |
| 2 | G Diallo | 6 | 7 | | | | | | | | | | | | | | | | |