2025 AON Open Challenger

Country	Player	Rank1	Seed
ITA	Luciano Darderi	34	1
ESP	Pedro Martínez	66	2
CRO	Borna Ćorić	105	3
DEN	Elmer Møller	109	4
ARG	Thiago Agustín Tirante	115	5
ITA	Francesco Passaro	120	6
FRA	Pierre-Hugues Herbert	139	7
ITA	Andrea Pellegrino	141	8

• ¹ Rankings are as of 25 August 2025.^[1]

The following players received wildcards into the singles main draw:

• Carlo Alberto Caniato
• Lorenzo Carboni
• Luciano Darderi

The following player received entry into the singles main draw using a protected ranking:

• Francesco Forti

The following players received entry into the singles main draw as alternates:

• Federico Arnaboldi
• Rémy Bertola
• Kilian Feldbausch

The following players received entry from the qualifying draw:

• Gianluca Cadenasso
• Tommaso Compagnucci
• Enrico Dalla Valle
• Tom Gentzsch
• Gabriele Pennaforti
• Andrea Picchione

The following players received entry as lucky losers:

• Federico Bondioli
• Giovanni Fonio

• Luciano Darderi def. Andrea Pellegrino 6–1, 6–3.

• Mick Veldheer / Szymon Walków def. Gianluca Cadenasso / Lorenzo Carboni 3–6, 6–4, [10–7].