# 2013 Open Harmonie mutuelle – Singles

Grégoire Burquier was the defending champion but decided not to participate. Jesse Huta Galung won the final 7–6$^{(7–4)}$, 4–6, 7–6$^{(7–3)}$ against Kenny de Schepper.

## Seeds

* Kenny de Schepper (final)
* Andreas Haider-Maurer (second round)
* Marc Gicquel (first round)
* Josselin Ouanna (first round)
* Dustin Brown (second round)
* Nicolas Mahut (first round)
* Boris Pašanski (first round)
* Michał Przysiężny (first 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 | Final |
| 1 | Kenny de Schepper | 7$^7$ | 6 | | | | | |
| Q | Martin Fischer | 6$^4$ | 3 | | | | | |
| Q | Martin Fischer | 6$^4$ | 3 | 1 | Kenny de Schepper | 6$^4$ | 6 | 6$^3$ |
| | | | | | Jesse Huta Galung | 7$^7$ | 4 | 7$^7$ |
| | Jesse Huta Galung | 6 | 7 | | Jesse Huta Galung | 7$^7$ | 4 | 7$^7$ |
| | Jan Mertl | 4 | 5 | | | | | |

### Top half

| First round | First round | First round | First round | First round | Second round | Second round | Second round | Second round | Quarterfinals | Quarterfinals | Quarterfinals | Quarterfinals | Quarterfinals | Semifinals | Semifinals | Semifinals | Semifinals |
| 1 | K de Schepper | 6 | 6 | | | | | | | | | | | | | | |
| WC | R Jouan | 2 | 2 | | 1 | K de Schepper | 7 | 6 | | | | | | | | | |
| | D Meffert | 6 | 6 | | | D Meffert | 5 | 3 | | | | | | | | | |
| | I Navarro | 1 | 3 | | | | | | 1 | K de Schepper | 4 | 6 | 6 | | | | |
| WC | F Martin | 6 | 6 | | | | | | | O Nedovyesov | 6 | 3 | 3 | | | | |
| Q | D Petrović | 3 | 2 | | WC | F Martin | 4 | 0 | | | | | | | | | |
| | O Nedovyesov | 6 | 6 | | | O Nedovyesov | 6 | 6 | | | | | | | | | |
| 7 | B Pašanski | 2 | 1 | | | | | | | | | | | 1 | K de Schepper | 7$^7$ | 6 |
| 4 | J Ouanna | 6$^2$ | 2 | | | | | | | | | | | Q | M Fischer | 6$^4$ | 3 |
| | D Guez | 7$^7$ | 6 | | | D Guez | 6 | 6 | | | | | | | | | |
| | B Westerhof | 6$^5$ | 6 | 1 | | K Kravchuk | 2 | 3 | | | | | | | | | |
| | K Kravchuk | 7$^7$ | 4 | 6 | | | | | | D Guez | 6 | 3 | 4 | | | | |
| | A Brugués-Davi | 6 | 6 | | | | | | Q | M Fischer | 4 | 6 | 6 | | | | |
| | M Middelkoop | 2 | 4 | | | A Brugués-Davi | 1 | 0 | | | | | | | | | |
| Q | M Fischer | 6 | 7$^7$ | | Q | M Fischer | 6 | 6 | | | | | | | | | |
| 6 | N Mahut | 4 | 6$^3$ | | | | | | | | | | | | | | |

### Bottom half

| First round | First round | First round | First round | First round | Second round | Second round | Second round | Second round | Quarterfinals | Quarterfinals | Quarterfinals | Quarterfinals | Semifinals | Semifinals | Semifinals |
| 5 | D Brown | 6 | 4 | 6 | | | | | | | | | | | |
| | N Desein | 4 | 6 | 4 | 5 | D Brown | 4 | 3 | | | | | | | |
| WC | M Rodrigues | 6$^4$ | 2 | | | S Robert | 6 | 6 | | | | | | | |
| | S Robert | 7$^7$ | 6 | | | | | | S Robert | 2 | 6$^4$ | | | | |
| WC | C Lestienne | 2 | 2 | | | | | | J Huta Galung | 6 | 7$^7$ | | | | |
| | M Bašić | 6 | 6 | | | M Bašić | 6$^5$ | 6$^5$ | | | | | | | |
| | J Huta Galung | 7 | 7$^8$ | | | J Huta Galung | 7$^7$ | 7$^7$ | | | | | | | |
| 3 | M Gicquel | 5 | 6$^6$ | | | | | | | | | | J Huta Galung | 6 | 7 |
| 8 | M Przysiężny | 3 | 4 | | | | | | | | | | J Mertl | 4 | 5 |
| | V Millot | 6 | 6 | | | V Millot | 0$^r$ | | | | | | | | |
| Q | H Nys | 4 | 1 | | | J Mertl | 3 | | | | | | | | |
| | J Mertl | 6 | 6 | | | | | | J Mertl | 4 | 6 | 6 | | | |
| | N Renavand | 6 | 6 | | | | | | N Renavand | 6 | 4 | 4 | | | |
| | V Crivoi | 1 | 4 | | | N Renavand | 7$^7$ | 6 | | | | | | | |
| Q | A Bossel | 4 | 3 | | 2 | A Haider-Maurer | 6$^1$ | 3 | | | | | | | |
| 2 | A Haider-Maurer | 6 | 6 | | | | | | | | | | | | |