| 2025 Montemar Challenger | |
|---|---|
| Date | 17–23 November |
| Edition | 2nd |
| Surface | Clay |
| Location | Montemar, Spain |
| 2024 Champions | |
| Singles | |
 Fabio Fognini | |
| Doubles | |
 Karol Drzewiecki / Piotr Matuszewski | |
The 2025 Montemar Challenger was a professional tennis tournament played on clay courts. It was the second edition of the tournament which was part of the 2025 ATP Challenger Tour. It took place in Montemar, Spain between 17 and 23 November 2025.
| 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 |
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:
The following player received entry into the singles main draw as an alternate:
The following players received entry from the qualifying draw:
vs. / vs. / 
