2025 Montemar Challenger

Country	Player	Rank1	Seed
ESP	Carlos Taberner	104	1
ARG	Marco Trungelliti	136	2
DEN	Elmer Møller	148	3
ESP	Daniel Mérida	172	4
FRA	Clément Tabur	198	5
ITA	Lorenzo Giustino	216	6
CZE	Zdeněk Kolář	224	7
FRA	Geoffrey Blancaneaux	254	8

• ¹ Rankings as of 10 November 2025.^[2]

The following players received wildcards into the singles main draw:

• Adrien Burdet
• Alberto García García
• Andrés Santamarta Roig

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

• Adrian Andreev

The following player received entry into the singles main draw as an alternate:

• Andrej Nedić

The following players received entry from the qualifying draw:

• Max Alcalá Gurri
• Gianluca Cadenasso
• Cezar Crețu
• Svyatoslav Gulin
• Filippo Moroni
• Ștefan Paloși

The following player received entry as a lucky loser:

• Federico Bondioli

• Zdeněk Kolář def. Gianluca Cadenasso 6–4, 6–4.

• Erik Grevelius / Adam Heinonen def. Federico Bondioli / Gianluca Cadenasso 6–3, 6–3.