| 2025 Oeiras Indoors | |
|---|---|
| Date | 6 – 11 January |
| Edition | 5th |
| Category | ATP Challenger Tour 75 |
| Surface | Hard (indoor) |
| Location | Oeiras, Portugal |
| Champions | |
| Singles | |
 Hamad Medjedovic | |
| Doubles | |
 George Goldhoff / Trey Hilderbrand | |
The 2025 Oeiras Indoors was a professional tennis tournament played on hard courts. It was the 5th edition of the tournament which was part of the 2025 ATP Challenger Tour. It took place in Oeiras, Portugal from 6 to 11 January 2025. [1]
| Country | Player | Rank1 | Seed |
|---|---|---|---|
| SRB | Hamad Medjedovic | 114 | 1 |
 SUI | Alexander Ritschard | 118 | 2 |
 KAZ | Beibit Zhukayev | 243 | 3 |
| KAZ | Denis Yevseyev | 246 | 4 |
 CAN | Liam Draxl | 247 | 5 |
 CHI | Matías Soto | 248 | 6 |
 HUN | Zsombor Piros | 249 | 7 |
 ESP | Pol Martín Tiffon | 251 | 8 |
The following players received wildcards into the singles main draw:
Pedro Araújo Frederico Ferreira Silva Duarte Vale The following players received entry from the qualifying draw:
Hamad Medjedovic def. Liam Draxl 6–1, 6–3. George Goldhoff / Trey Hilderbrand def. 
Kaichi Uchida / Denis Yevseyev 7–5, 2–6, [10–5].
