2026 Oeiras Indoors II


The 2026 Oeiras Indoors II was a professional tennis tournament played on hard courts. It was the 9th edition of the tournament which was part of the 2026 ATP Challenger Tour. It took place in Oeiras, Portugal from 26 January to 1 February 2026.

Singles main-draw entrants

Seeds

1 Rankings are as of 19 January 2026.

Other entrants

The following players received wildcards into the singles main draw:
The following player received entry into the singles main draw through the Next Gen Accelerator programme:
The following players received entry into the singles main draw as alternates:
The following players received entry from the qualifying draw:
The following player received entry as a lucky loser:

Champions

Singles

Chris Rodesch def. Daniil Glinka 6–3, 7–5.

Doubles

Filip Duda / Zdeněk Kolář def. Erik Grevelius / Adam Heinonen 6–3, 6–4.