2025 Monza Open – Singles
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This was the first edition of the tournament.
Raphaël Collignon won the title after defeating Vitaliy Sachko 6–3, 7–5 in the final.
Seeds
- Belgium Raphaël Collignon (champion)
- United States Nishesh Basavareddy (first round)
- Brazil Thiago Seyboth Wild (first round)
- Argentina Federico Coria (second round)
- Argentina Juan Manuel Cerúndolo (second round)
- France Harold Mayot (withdrew)
- Spain Martín Landaluce (second round)
- Czech Republic Dalibor Svrčina (semifinals)
- Croatia Duje Ajduković (first 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 | ||||||||||||
| 1 | Belgium Raphaël Collignon | 6 | 6 | ||||||||||
| 8 | Czech Republic Dalibor Svrčina | 1 | 1 | ||||||||||
| 1 | Belgium Raphaël Collignon | 6 | 7 | ||||||||||
| SE | Ukraine Vitaliy Sachko | 3 | 5 | ||||||||||
| France Luca Van Assche | 3 | 6 | 4 | ||||||||||
| SE | Ukraine Vitaliy Sachko | 6 | 2 | 6 |
Top half
| First round | Second round | Quarterfinals | Semifinals | ||||||||||||||||||||||||
| 1 | Belgium R Collignon | 6 | 6 | ||||||||||||||||||||||||
| WC | Italy F Cinà | 2 | 4 | 1 | Belgium R Collignon | 6 | 4 | 6 | |||||||||||||||||||
| Slovakia L Klein | 1 | 3 | Alt | Uzbekistan K Sultanov | 2 | 6 | 0 | ||||||||||||||||||||
| Alt | Uzbekistan K Sultanov | 6 | 6 | 1 | Belgium R Collignon | 3 | 6 | 2 | |||||||||||||||||||
| Q | Bulgaria D Kuzmanov | 65 | 4 | United Kingdom J Choinski | 6 | 2 | 0r | ||||||||||||||||||||
| France A Géa | 77 | 6 | France A Géa | 6 | 2 | 3 | |||||||||||||||||||||
| United Kingdom J Choinski | 78 | 6 | United Kingdom J Choinski | 4 | 6 | 6 | |||||||||||||||||||||
| 9 | Croatia D Ajduković | 66 | 2 | 1 | Belgium R Collignon | 6 | 6 | ||||||||||||||||||||
| 4 | Argentina F Coria | 4 | 6 | 6 | 8 | Czech Republic D Svrčina | 1 | 1 | |||||||||||||||||||
| United Kingdom D Evans | 6 | 1 | 2 | 4 | Argentina F Coria | 0 | 6 | 0 | |||||||||||||||||||
| Q | India S Nagal | 2 | 0r | Alt | Austria F Misolic | 6 | 4 | 6 | |||||||||||||||||||
| Alt | Austria F Misolic | 6 | 1 | Alt | Austria F Misolic | 2 | 6 | 5 | |||||||||||||||||||
| Q | Italy E Dalla Valle | 6 | 65 | 6 | 8 | Czech Republic D Svrčina | 6 | 3 | 7 | ||||||||||||||||||
| Q | Switzerland M Brunold | 2 | 77 | 3 | Q | Italy E Dalla Valle | 2 | 1 | |||||||||||||||||||
| Moldova R Albot | 5 | 6 | 4 | 8 | Czech Republic D Svrčina | 6 | 6 | ||||||||||||||||||||
| 8 | Czech Republic D Svrčina | 7 | 4 | 6 |
Bottom half
| First round | Second round | Quarterfinals | Semifinals | ||||||||||||||||||||||||
| 5 | Argentina JM Cerúndolo | 7 | 6 | ||||||||||||||||||||||||
| Alt | Bolivia M Dellien | 5 | 1 | 5 | Argentina JM Cerúndolo | 2 | 4 | ||||||||||||||||||||
| Croatia M Dodig | 66 | 2 | Italy F Arnaboldi | 6 | 6 | ||||||||||||||||||||||
| Italy F Arnaboldi | 78 | 6 | Italy F Arnaboldi | 4 | 6 | 3 | |||||||||||||||||||||
| Q | Italy Andrea Picchione | 6 | 63 | 4 | France L Van Assche | 6 | 3 | 6 | |||||||||||||||||||
| France L Van Assche | 3 | 77 | 6 | France L Van Assche | 6 | 6 | |||||||||||||||||||||
| Q | Croatia M Poljičak | 6 | 6 | Q | Croatia M Poljičak | 2 | 4 | ||||||||||||||||||||
| 3 | Brazil T Seyboth Wild | 3 | 4 | France L Van Assche | 3 | 6 | 4 | ||||||||||||||||||||
| 7 | Spain M Landaluce | 6 | 6 | SE | Ukraine V Sachko | 6 | 2 | 6 | |||||||||||||||||||
| LL | Switzerland R Bertola | 1 | 4 | 7 | Spain M Landaluce | 4 | 4 | ||||||||||||||||||||
| United Kingdom P Jubb | 3 | 4 | WC | Italy J Vasamì | 6 | 6 | |||||||||||||||||||||
| WC | Italy J Vasamì | 6 | 6 | WC | Italy J Vasamì | 6 | 3 | 4 | |||||||||||||||||||
| Italy M Gigante | 3 | 6 | 6 | SE | Ukraine V Sachko | 3 | 6 | 6 | |||||||||||||||||||
| WC | Italy Pietro Fellin | 6 | 3 | 2 | Italy M Gigante | 6 | 4 | 2 | |||||||||||||||||||
| SE | Ukraine V Sachko | 3 | 6 | 6 | SE | Ukraine V Sachko | 3 | 6 | 6 | ||||||||||||||||||
| 2 | United States N Basavareddy | 6 | 1 | 4 |