2016 Estoril Open
The 2016 Estoril Open was a tennis tournament played on outdoor clay courts. It was the second edition of the Estoril Open, and part of the ATP World Tour 250 series of the 2016 ATP World Tour. The event took place at the Clube de Ténis do Estoril in Cascais, Portugal, from 25 April – 1 May 2016.Seeds
- Rankings are as of April 18, 2016.
Other entrants
The following players received wildcards into the singles main draw:
The following players received entry from the qualifying draw:
Seeds
- Rankings are as of April 18, 2016.
Other entrants
The following pairs received wildcards into the doubles main draw:
The following pair received entry as alternates:
;Before the tournament
Singles