See main article: 2014 Portugal Open.
Stanislas Wawrinka was the defending champion, but withdrew before the event started.
Carlos Berlocq won the title, defeating Tomáš Berdych in the final, 0–6, 7–5, 6–1.
The top four seeds receive a bye into the second round.
See also: 1. 
Tomáš Berdych (final)
See also: 2. 
Milos Raonic (quarterfinals)
See also: 3. 
Marcel Granollers (quarterfinals)
See also: 4. Guillermo García López (second round)
See also: 5. 
Dmitry Tursunov (first round)
See also: 6. João Sousa (first round)
See also: 7. Teymuraz Gabashvili (first round)
See also: 8. 
Mikhail Kukushkin (first round)
See also: 1. 
Leonardo Mayer (qualified)
See also: 2. Daniel Gimeno Traver (qualified)
See also: 3. 
Radu Albot (qualified)
See also: 4. 
Taro Daniel (qualified)
See also: 5. Roberto Carballés Baena (qualifying competition, lucky loser)
See also: 6. 
Niels Desein (qualifying competition)
See also: 7. Jordi Samper Montaña (qualifying competition)
See also: 8. 
Victor Crivoi (qualifying competition)