2024 HPP Open – Singles
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Corentin Moutet was the defending champion but chose not to defend his title.
Kei Nishikori won the title after defeating Luca Nardi 3–6, 6–4, 6–1 in the final.
Seeds
- Canada Gabriel Diallo (withdrew)
- Croatia Borna Ćorić (withdrew)
- Finland Otto Virtanen (quarterfinals)
- United Kingdom Jacob Fearnley (quarterfinals)
- Italy Luca Nardi (final)
- Kazakhstan Mikhail Kukushkin (first round)
- Switzerland Jérôme Kym (second round)
- Germany Maximilian Marterer (second round)
Draw
Key
- Q = Qualifier
- WC = Wild card
- LL = Lucky loser
- Alt = Alternate
- ITF = ITF entry
- PR = Protected ranking
- SR = Special ranking
- SE = Special exempt
- JE = Junior exempt
- JR = Junior Accelerator Programme entrant
- CO = College Accelerator Programme entrant
- NG = Next Gen Accelerator Program entrant
- w/o = Walkover
- r = Retired
- d = Defaulted
Finals
| Semifinals | Final | ||||||||||||
| Q | Germany Max Hans Rehberg | 4 | 78 | 2 | |||||||||
| Japan Kei Nishikori | 6 | 66 | 6 | ||||||||||
| Japan Kei Nishikori | 3 | 6 | 6 | ||||||||||
| 5 | Italy Luca Nardi | 6 | 4 | 1 | |||||||||
| Kazakhstan Denis Yevseyev | 6 | 3 | 64 | ||||||||||
| 5 | Italy Luca Nardi | 2 | 6 | 77 |
Top half
| First round | Second round | Quarterfinals | Semifinals | ||||||||||||||||||||||||
| LL | Lithuania R Berankis | 3 | 4 | ||||||||||||||||||||||||
| Germany H Squire | 6 | 6 | Germany H Squire | 7 | 6 | ||||||||||||||||||||||
| Italy A Pellegrino | 6 | 6 | Italy A Pellegrino | 5 | 4 | ||||||||||||||||||||||
| Q | France Alexis Gautier | 3 | 1 | Germany H Squire | 65 | 65 | |||||||||||||||||||||
| Q | Germany MH Rehberg | 6 | 1 | 6 | Q | Germany MH Rehberg | 77 | 77 | |||||||||||||||||||
| Q | France G Blancaneaux | 4 | 6 | 3 | Q | Germany MH Rehberg | 77 | 6 | |||||||||||||||||||
| Argentina S Rodríguez Taverna | 3 | 3 | 8 | Germany M Marterer | 65 | 4 | |||||||||||||||||||||
| 8 | Germany M Marterer | 6 | 6 | Q | Germany MH Rehberg | 4 | 78 | 2 | |||||||||||||||||||
| 4 | United Kingdom J Fearnley | 6 | 6 | Japan K Nishikori | 6 | 66 | 6 | ||||||||||||||||||||
| France V Royer | 2 | 3 | 4 | United Kingdom J Fearnley | 6 | 6 | |||||||||||||||||||||
| A Kachmazov | 1 | 2 | United States Em Nava | 4 | 3 | ||||||||||||||||||||||
| United States Em Nava | 6 | 6 | 4 | United Kingdom J Fearnley | 4 | 3 | |||||||||||||||||||||
| Japan K Nishikori | 6 | 6 | Japan K Nishikori | 6 | 6 | ||||||||||||||||||||||
| Q | Spain N Álvarez Varona | 4 | 2 | Japan K Nishikori | 6 | 1 | 6 | ||||||||||||||||||||
| Q | Jordan A Shelbayh | 2 | 1 | 7 | Switzerland J Kym | 3 | 6 | 2 | |||||||||||||||||||
| 7 | Switzerland J Kym | 6 | 6 |
Bottom half
| First round | Second round | Quarterfinals | Semifinals | ||||||||||||||||||||||||
| 6 | Kazakhstan M Kukushkin | 4 | 5 | ||||||||||||||||||||||||
| Alt | Italy F Arnaboldi | 6 | 7 | Alt | Italy F Arnaboldi | 2 | 4 | ||||||||||||||||||||
| Kazakhstan D Yevseyev | 6 | 6 | Kazakhstan D Yevseyev | 6 | 6 | ||||||||||||||||||||||
| WC | Estonia O Ojakäär | 2 | 4 | Kazakhstan D Yevseyev | 6 | 7 | |||||||||||||||||||||
| WC | Finland Patrick Kaukovalta | 6 | 4 | 78 | 3 | Finland O Virtanen | 4 | 5 | |||||||||||||||||||
| WC | Finland O Paldanius | 3 | 6 | 66 | WC | Finland P Kaukovalta | 3 | 2 | |||||||||||||||||||
| Alt | Germany R Molleker | 4 | 3 | 3 | Finland O Virtanen | 6 | 6 | ||||||||||||||||||||
| 3 | Finland O Virtanen | 6 | 6 | Kazakhstan D Yevseyev | 6 | 3 | 64 | ||||||||||||||||||||
| 5 | Italy L Nardi | 6 | 0 | 5 | Italy L Nardi | 2 | 6 | 77 | |||||||||||||||||||
| SE | Venezuela G Oliveira | 3 | 0r | 5 | Italy L Nardi | 78 | 77 | ||||||||||||||||||||
| Denmark A Holmgren | 6 | 6 | Denmark A Holmgren | 66 | 62 | ||||||||||||||||||||||
| Lithuania E Butvilas | 4 | 1 | 5 | Italy L Nardi | 6 | 6 | |||||||||||||||||||||
| Q | Austria Sandro Kopp | 2 | 1 | United Kingdom J Choinski | 4 | 3 | |||||||||||||||||||||
| United Kingdom J Choinski | 6 | 6 | United Kingdom J Choinski | 0 | 6 | 6 | |||||||||||||||||||||
| Brazil J Fonseca | 6 | 6 | Brazil J Fonseca | 6 | 1 | 2 | |||||||||||||||||||||
| LL | Netherlands J Sels | 2 | 3 |