2017 Estoril Open
The 2017 Estoril Open was a professional men's tennis tournament played on outdoor clay courts. It was the third edition of the Estoril Open, and part of the ATP World Tour 250 series of the 2017 ATP World Tour. The event took place at the Clube de Ténis do Estoril in Cascais, Portugal, from the 29th of April to the 7th of May 2017.Seeds
The following players received wildcards into the singles main draw:
The following players received entry using a protected ranking into the singles main draw:
The following players received entry from the qualifying draw:
;Before the tournament
;During the tournament
Seeds
- Rankings are as of April 24, 2017.
Other entrants
The following pairs received wildcards into the doubles main draw:
Singles