Nicolás Almagro Nicolás Almagro Sánchez (; born 21 August 1985 in Murcia, Spain) is a Spanish former professional tennis player of Latin American descent. He reached the quarterfinals of the French Open in 2008 French Open – Men's singles, 2008, 201 ...

was the defending champion, but lost in the quarterfinals to

Pablo Carreño Busta Pablo Carreño Busta (; born 12 July 1991) is a Spanish professional tennis player. He has been ranked as high as world No. 10 by the ATP, which he first achieved on 11 September 2017. He also reached a best doubles ranking of No. 16 on 17 July ...

. Carreño Busta went on to win the title, defeating

Gilles Müller Gilles Müller (; born 9 May 1983) is a Luxembourgish former professional tennis player. He is a two-time major singles quarterfinalist, making him by far the most successful male tennis player in Luxembourgish history. Müller won two titles on ...

in the final, 6–2, 7–6^(7–5).

Seeds

The top four

seeds In botany, a seed is a plant structure containing an embryo and stored nutrients in a protective coat called a ''testa''. More generally, the term "seed" means anything that can be sown, which may include seed and husk or tuber. Seeds are the ...

receive a bye into the second round.

Draw

Finals

Top half

Bottom half

Qualifying

Seeds

Qualifiers

Qualifying draw

First qualifier

Second qualifier

Third qualifier

Fourth qualifier

References

Main draw

Qualifying draw
{{DEFAULTSORT:Estoril Open - Singles, 2017

Singles Singles are people not in a committed relationship. Singles may also refer to: Film and television * ''Singles'' (miniseries), a 1984 Australian television series * ''Singles'' (1992 film), written and directed by Cameron Crowe * ''Singles'' ...