The 2025 Oeiras Indoors III was a professional tennis tournament played on hard courts. It was the 7th edition of the tournament which was part of the 2025 ATP Challenger Tour. It took place in Oeiras, Portugal from 21 to 26 January 2025.

Singles main-draw entrants Seeds Country Player Rank1 SeedMárton Fucsovics991Christopher Eubanks1022Jesper de Jong1113Alexander Ritschard1184Raphaël Collignon1205Dominik Koepfer1246Jaime Faria1257Lukáš Klein1448 1 Rankings are as of 13 January 2025.

Other entrants The following players received wildcards into the singles main draw: Pedro Araújo Gastão Elias Frederico Ferreira Silva

The following players received entry into the singles main draw as alternates: Adrian Andreev Nikoloz Basilashvili Nicolás Mejía

The following players received entry from the qualifying draw: Ignacio Buse Liam Draxl Mark Lajal Daniel Rincón Denis Yevseyev Beibit Zhukayev

Champions Singles

Alexander Blockx def. Liam Draxl 7–5, 6–1.

Doubles

Liam Draxl / Cleeve Harper def. Matwé Middelkoop / Denys Molchanov 1–6, 7–5, [10–6].

References