Kei Nishikori defeated Santiago Giraldo in the final, 6–2, 6–2, to win the singles title at the 2014 Barcelona Open. He became the first non-Spanish player to win the tournament since 2002.
Rafael Nadal was the three-time defending champion, but lost to Nicolás Almagro in the quarterfinals, snapping a 41-match winning streak at the event and his first loss in Barcelona since 2003.
Seeds All seeds receive a bye into the second round.
Rafael Nadal (quarterfinals) David Ferrer (second round) Fabio Fognini (second round, retired because of fatigue) Kei Nishikori (champion) Tommy Robredo (third round) Nicolás Almagro (semifinals) Jerzy Janowicz (second round) Alexandr Dolgopolov (second round)
Ernests Gulbis (semifinals) Philipp Kohlschreiber (quarterfinals, retired) Fernando Verdasco (third round) Marin Čilić (quarterfinals) Feliciano López (second round) Marcel Granollers (second round) Dmitry Tursunov (second round) Benoît Paire (second round, retired)
Draw
Finals
Top half
Section 1
Section 2
Bottom half
Section 3
Section 4
Qualifying
Seeds
Dominic Thiem (qualified) Stéphane Robert (qualifying competition) Evgeny Donskoy (qualifying competition) Peter Gojowczyk (first round, retired) Andrey Kuznetsov (qualified) Jesse Huta Galung (qualifying competition) Andreas Beck (qualified) Marsel İlhan (qualified) Thomas Fabbiano (first round) Ante Pavić (first round) Márton Fucsovics (qualifying competition) Matteo Viola (qualified)
Qualifiers
Dominic Thiem Andreas Beck Matteo Viola Marc López Andrey Kuznetsov Marsel İlhan
Qualifying draw
First qualifier
Second qualifier
Third qualifier
Fourth qualifier
Fifth qualifier
Sixth qualifier
References Main Draw Qualifying Draw