| 2025 INTARO Open | |
|---|---|
| Date | 8–14 September |
| Edition | 1st |
| Surface | Clay |
| Location | Târgu Mureș, Romania |
| Champions | |
| Singles | |
 Marco Trungelliti | |
| Doubles | |
 Neil Oberleitner /  Mili Poljičak | |
The 2025 INTARO Open was a professional tennis tournament played on clay courts. It was the first edition of the tournament which was part of the 2025 ATP Challenger Tour. It took place in Târgu Mureș, Romania between 8 and 14 September 2025.
| Country | Player | Rank1 | Seed |
|---|---|---|---|
| ARG |
Marco Trungelliti | 183 | 1 |
 GBR |
Jay Clarke | 201 | 2 |
 ROU |
Filip Cristian Jianu | 267 | 3 |
 ESP |
Nicolás Álvarez Varona | 282 | 4 |
 FRA |
Mathys Erhard | 283 | 5 |
| ESP |
Daniel Rincón | 287 | 6 |
| CRO |
Mili Poljičak | 304 | 7 |
| FRA |
Corentin Denolly | 310 | 8 |
1 Rankings are as of 25 August 2025.
The following players received wildcards into the singles main draw:
Mihai Alexandru Coman Sebastian Gima Dan Alexandru TomescuThe following players received entry from the qualifying draw:
Ștefan Adrian Andreescu Cezar Crețu
Émilien Demanet Imanol López Morillo Ștefan Paloși Radu Mihai Papoe Marco Trungelliti def. Mili Poljičak 6–1, 0–0 ret. Neil Oberleitner / Mili Poljičak def. Alexandru Cristian Dumitru / Dan Alexandru Tomescu 6–0, 6–3.