| Champ: | Philipp Kohlschreiber |
| Runner: | Ivo Karlović |
| Score: | 6–2, 7–6(7–4) |
| Type: | men |
| Main Name: | Düsseldorf Open (ATP Tour)Düsseldorf Open |
| Before Name: | Power Horse Cup |
| After Year: | no |
See main article: 2014 Düsseldorf Open. Juan Mónaco was the defending champion, but lost to Ivo Karlović in the quarterfinals.
Philipp Kohlschreiber won the title, defeating Ivo Karlović in the final, 6–2, 7–6(7–4).
The top four seeds receive a bye into the second round.
See also: 1. 
Michael Russell (first round)
See also: 2. 
Pere Riba (first round)
See also: 3. 
Víctor Estrella Burgos (second round)
See also: 4. 
Facundo Argüello (first round)
See also: 5. 
Nick Kyrgios (second round, retired)
See also: 6. 
Miloslav Mečíř Jr. (second round)
See also: 7. Mate Delić (qualified)
See also: 8. 
Louk Sorensen (qualifying competition)