# 2014 Open de Rennes – Singles

Nicolas Mahut, the defending champion, lost 2–6, 4–6 in the final to Steve Darcis.

## Seeds

* Jan-Lennard Struff (second round)
* Thomaz Bellucci (first round)
* Paul-Henri Mathieu (second round)
* Dudi Sela (second round)
* Andreas Haider-Maurer (quarterfinals)
* Dustin Brown (quarterfinals)
* Andreas Beck (first round)
* Tobias Kamke (second round)

## Draw
### Key

* Q = Qualifier
* WC = Wild card
* LL = Lucky loser
* Alt = Alternate
* SE = Special exempt
* PR = Protected ranking
* ITF = ITF entry
* JE = Junior exempt
* w/o = Walkover
* r = Retired
* d = Defaulted
* SR = Special ranking

### Finals

| Semifinals | Semifinals | Semifinals | Semifinals | Final | Final | Final | Final |
| WC | Enzo Couacaud | 0$^r$ | | | | | |
| | Nicolas Mahut | 3 | | | | | |
| | Nicolas Mahut | 3 | | | Nicolas Mahut | 2 | 4 |
| | | | | PR | Steve Darcis | 6 | 6 |
| PR | Steve Darcis | 6 | 6 | PR | Steve Darcis | 6 | 6 |
| | Marsel İlhan | 4 | 4 | | | | |

### Top half

| First round | First round | First round | First round | First round | Second round | Second round | Second round | Second round | Second round | Quarterfinals | Quarterfinals | Quarterfinals | Quarterfinals | Quarterfinals | Semifinals | Semifinals | Semifinals |
| 1 | J-L Struff | 6 | 7$^7$ | | | | | | | | | | | | | | |
| Q | T Pütz | 3 | 6$^5$ | | 1 | J-L Struff | 3 | 4 | | | | | | | | | |
| Q | R Haase | 6 | 6 | | Q | R Haase | 6 | 6 | | | | | | | | | |
| | P Riba | 4 | 2 | | | | | | | Q | R Haase | 4 | 7$^7$ | 6$^4$ | | | |
| WC | T Lamasine | 6$^3$ | 6 | 2 | | | | | | WC | E Couacaud | 6 | 6$^5$ | 7$^7$ | | | |
| Q | K Khachanov | 7$^7$ | 2 | 6 | Q | K Khachanov | 6 | 1 | 3 | | | | | | | | |
| WC | E Couacaud | 3 | 6 | 7$^7$ | WC | E Couacaud | 3 | 6 | 6 | | | | | | | | |
| 7 | A Beck | 6 | 3 | 6$^4$ | | | | | | | | | | | WC | E Couacaud | 0$^r$ |
| 3/WC | P-H Mathieu | 7 | 5 | 6 | | | | | | | | | | | | N Mahut | 3 |
| | M Delić | 5 | 7 | 3 | 3/WC | P-H Mathieu | 6 | 6$^6$ | 1 | | | | | | | | |
| WC | M Gicquel | 6 | 6 | | WC | M Gicquel | 3 | 7$^8$ | 6 | | | | | | | | |
| | G Melzer | 1 | 1 | | | | | | | WC | M Gicquel | 4 | 2 | | | | |
| | N Mahut | 6 | 6 | | | | | | | | N Mahut | 6 | 6 | | | | |
| | G Burquier | 4 | 4 | | | N Mahut | 7$^7$ | 6 | | | | | | | | | |
| | V Millot | 1 | 4 | | 8 | T Kamke | 6$^4$ | 3 | | | | | | | | | |
| 8 | T Kamke | 6 | 6 | | | | | | | | | | | | | | |

### Bottom half

| First round | First round | First round | First round | First round | Second round | Second round | Second round | Second round | Second round | Quarterfinals | Quarterfinals | Quarterfinals | Quarterfinals | Quarterfinals | Semifinals | Semifinals | Semifinals | Semifinals |
| 6 | D Brown | 6 | 2 | 6 | | | | | | | | | | | | | | |
| | V Hănescu | 4 | 6 | 4 | 6 | D Brown | 6 | 6 | | | | | | | | | | |
| | N Gomboš | 5 | 1 | | | M Viola | 3 | 3 | | | | | | | | | | |
| | M Viola | 7 | 6 | | | | | | | 6 | D Brown | 6 | 4 | 1 | | | | |
| PR | S Darcis | 6 | 6 | | | | | | | PR | S Darcis | 1 | 6 | 6 | | | | |
| Q | M Fischer | 4 | 0 | | PR | S Darcis | 3 | 6 | 6 | | | | | | | | | |
| | A Zverev | 3 | 3 | | 4 | D Sela | 6 | 0 | 2 | | | | | | | | | |
| 4 | D Sela | 6 | 6 | | | | | | | | | | | | PR | S Darcis | 6 | 6 |
| 5 | A Haider-Maurer | 7$^{10}$ | 3 | 6 | | | | | | | | | | | | M İlhan | 4 | 4 |
| | M Copil | 6$^8$ | 6 | 3 | 5 | A Haider-Maurer | 6 | 7$^9$ | | | | | | | | | | |
| | M Bachinger | 6 | 6 | | | M Bachinger | 3 | 6$^7$ | | | | | | | | | | |
| | I Marchenko | 2 | 2 | | | | | | | 5 | A Haider-Maurer | 6 | 5 | 3 | | | | |
| | K de Schepper | 7 | 6 | | | | | | | | M İlhan | 3 | 7 | 6 | | | | |
| | J Pospíšil | 5 | 3 | | | K de Schepper | 6$^4$ | 6 | 6$^2$ | | | | | | | | | |
| | M İlhan | 6$^4$ | 7$^7$ | 6 | | M İlhan | 7$^7$ | 4 | 7$^7$ | | | | | | | | | |
| 2 | T Bellucci | 7$^7$ | 6$^2$ | 3 | | | | | | | | | | | | | | |