Luca Van Assche defeated Alexander Blockx in the final, 6–4, 4–6, 7–5 to win the singles tennis title at the 2026 Estoril Open. It was his first ATP Tour title, and he entered the top 50 of the ATP rankings for the first time.

Alex Michelsen was the reigning champion, but did not participate this year.

Seeds The top four seeds received a bye into the second round.

Draw

Finals

Top half

Bottom half

Qualifying Seeds

Qualifiers

Lucky losers

Qualifying draw

First qualifier

Second qualifier

Third qualifier

Fourth qualifier

References

External links