# 2024 Split Open – Men's singles

Zsombor Piros was the defending champion but lost in the final to Jozef Kovalík.
Kovalík won the title after defeating Piros 6–4, 5–7, 7–5 in the final.

## Seeds

* Zsombor Piros (final)
* Duje Ajduković (second round)
* Lukáš Klein (first round)
* Quentin Halys (second round)
* Juan Manuel Cerúndolo (first round, retired)
* Damir Džumhur (first round)
* Alex Molčan (first round)
* Filip Misolic (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 | Final | Final |
| 1 | Zsombor Piros | 6 | 6 | | | | | |
| WC | Matej Dodig | 3 | 3 | | | | | |
| WC | Matej Dodig | 3 | 3 | 1 | Zsombor Piros | 4 | 7 | 5 |
| | | | | | Jozef Kovalík | 6 | 5 | 7 |
| | Jozef Kovalík | 6 | 6 | | Jozef Kovalík | 6 | 5 | 7 |
| | Benjamin Bonzi | 4 | 3 | | | | | |

### Top half

| First round | First round | First round | First round | First round | Second round | Second round | Second round | Second round | Quarterfinals | Quarterfinals | Quarterfinals | Quarterfinals | Semifinals | Semifinals | Semifinals | Semifinals |
| 1 | Z Piros | 4 | 6 | 6 | | | | | | | | | | | | |
| | N Fatić | 6 | 3 | 1 | 1 | Z Piros | 6 | 6 | | | | | | | | |
| LL | Mathys Erhard | 3 | 2 | | | L Neumayer | 3 | 2 | | | | | | | | |
| | L Neumayer | 6 | 6 | | | | | | 1 | Z Piros | 6 | 6 | | | | |
| Alt | M Geerts | 7$^7$ | 6 | | | | | | 8 | F Misolic | 4 | 1 | | | | |
| Q | L Rottoli | 6$^2$ | 1 | | Alt | M Geerts | 4 | 6$^7$ | | | | | | | | |
| | B Harris | 5 | 3 | | 8 | F Misolic | 6 | 7$^9$ | | | | | | | | |
| 8 | F Misolic | 7 | 6 | | | | | | | | | | 1 | Z Piros | 6 | 6 |
| 3 | L Klein | 6$^3$ | 3 | | | | | | | | | | WC | M Dodig | 3 | 3 |
| Q | E Møller | 7$^7$ | 6 | | Q | E Møller | 6 | 6 | | | | | | | | |
| Alt | J Veselý | 3 | 4 | | Alt | T Lamasine | 1 | 3 | | | | | | | | |
| Alt | T Lamasine | 6 | 6 | | | | | | Q | E Møller | 2 | 0 | | | | |
| | M Kaśnikowski | 6 | 6 | | | | | | WC | M Dodig | 6 | 6 | | | | |
| | Z Kolář | 1 | 2 | | | M Kaśnikowski | 4 | 4 | | | | | | | | |
| WC | M Dodig | 6 | 6 | | WC | M Dodig | 6 | 6 | | | | | | | | |
| 7 | A Molčan | 2 | 4 | | | | | | | | | | | | | |

### 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 |
| 5 | JM Cerúndolo | 6 | 4 | 0$^r$ | | | | | | | | | | | | |
| | S Travaglia | 3 | 6 | 4 | | S Travaglia | 6 | 6 | | | | | | | | |
| Q | F Gill | 2 | 6$^2$ | | Q | M Topo | 4 | 2 | | | | | | | | |
| Q | M Topo | 6 | 7$^7$ | | | | | | | S Travaglia | 4 | 6$^2$ | | | | |
| | ND Ionel | 4 | 1 | | | | | | | J Kovalík | 6 | 7$^7$ | | | | |
| | J Kovalík | 6 | 6 | | | J Kovalík | 6 | 3 | 6 | | | | | | | |
| | I Gakhov | 3 | 4 | | 4 | Q Halys | 2 | 6 | 4 | | | | | | | |
| 4 | Q Halys | 6 | 6 | | | | | | | | | | | J Kovalík | 6 | 6 |
| 6 | D Džumhur | 0 | 1 | | | | | | | | | | | B Bonzi | 4 | 3 |
| WC | L Mikrut | 6 | 6 | | WC | L Mikrut | 3 | 4 | | | | | | | | |
| Q | Jakub Nicod | 2 | 6$^4$ | | | H Squire | 6 | 6 | | | | | | | | |
| | H Squire | 6 | 7$^7$ | | | | | | | H Squire | 6 | 3 | 4 | | | |
| | S Rodríguez Taverna | 2 | 2 | | | | | | | B Bonzi | 4 | 6 | 6 | | | |
| | B Bonzi | 6 | 6 | | | B Bonzi | 6 | 4 | 7$^7$ | | | | | | | |
| Q | J Forejtek | 7$^9$ | 5 | 1 | 2/WC | D Ajduković | 3 | 6 | 6$^5$ | | | | | | | |
| 2/WC | D Ajduković | 6$^7$ | 7 | 6 | | | | | | | | | | | | |