2025 Estoril Open


The 2025 Estoril Open was a men's tennis tournament played on outdoor clay courts. It was the 10th edition of the tournament and an ATP Challenger Tour 175 event on the 2025 ATP Challenger Tour. It took place at the Clube de Ténis do Estoril in Cascais, Portugal, from 29 April to 4 May 2025.

Singles main draw entrants

Seeds

Other entrants

The following players received wildcards into the main draw:
The following players received entry into the singles main draw as alternates:
The following players received entry from the qualifying draw:
The following players received entry as lucky losers:

Champions

Singles

Alex Michelsen def. Andrea Pellegrino 6–4, 6–4.

Doubles

Ariel Behar / Joran Vliegen def. Francisco Cabral / Lucas Miedler 7–5, 6–3.