# 2013 Geneva Open Challenger – Singles

Marc Gicquel was the defending champion but chose to compete at the 2013 BNP Paribas Masters.
Malek Jaziri won the title, defeating Jan-Lennard Struff 6–4, 6–3 in the final.

## Seeds

* Mikhail Kukushkin (withdrew)
* Evgeny Donskoy (first round)
* Teymuraz Gabashvili (first round)
* Jesse Huta Galung (first round)
* Adrian Ungur (first round)
* Martin Kližan (quarterfinals)
* Jan-Lennard Struff (final)
* Andrey Golubev (quarterfinals)
* Andrej Martin (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 | Semifinals | Final | Final | Final | Final |
| | Malek Jaziri | 5 | 7$^7$ | 7 | | | | |
| | Marco Chiudinelli | 7 | 6$^1$ | 5 | | | | |
| | Marco Chiudinelli | 7 | 6$^1$ | 5 | | Malek Jaziri | 6 | 6 |
| | | | | | 7 | Jan-Lennard Struff | 4 | 3 |
| 7 | Jan-Lennard Struff | 6 | 6 | | 7 | Jan-Lennard Struff | 4 | 3 |
| | Marius Copil | 4 | 1 | | | | | |

### 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 | Semifinals | Semifinals | Semifinals | Semifinals |
| 9 | A Martin | 7$^7$ | 2 | 6 | | | | | | | | | | | | | |
| Q | M Donati | 6$^1$ | 6 | 1 | 9 | A Martin | 7 | 4 | 2 | | | | | | | | |
| | M Jaziri | 6 | 6 | | | M Jaziri | 5 | 6 | 6 | | | | | | | | |
| | K Kravchuk | 3 | 2 | | | | | | | | M Jaziri | 7$^7$ | 7$^9$ | | | | |
| WC | S Bohli | 6$^3$ | 6 | 3 | | | | | | 8 | A Golubev | 6$^5$ | 6$^7$ | | | | |
| | T de Bakker | 7$^7$ | 4 | 6 | | T de Bakker | 5 | 0 | | | | | | | | | |
| Q | M Lammer | 3 | 3 | | 8 | A Golubev | 7 | 6 | | | | | | | | | |
| 8 | A Golubev | 6 | 6 | | | | | | | | | | | M Jaziri | 5 | 7$^7$ | 7 |
| 4 | J Huta Galung | 1 | 1 | | | | | | | | | | | M Chiudinelli | 7 | 6$^1$ | 5 |
| | M Bachinger | 6 | 6 | | | M Bachinger | 0 | 7$^7$ | 5 | | | | | | | | |
| | M Fischer | 3 | 7 | 6$^5$ | | N Gombos | 6 | 6$^5$ | 7 | | | | | | | | |
| | N Gombos | 6 | 5 | 7$^7$ | | | | | | | N Gombos | 1 | 6$^4$ | | | | |
| | M Chiudinelli | 6 | 6 | | | | | | | | M Chiudinelli | 6 | 7$^7$ | | | | |
| WC | S Ehrat | 1 | 3 | | | M Chiudinelli | 6 | 4 | | | | | | | | | |
| Q | Y Marti | 6 | 6 | | Q | Y Marti | 1 | 0$^r$ | | | | | | | | | |
| 5 | A Ungur | 3 | 2 | | | | | | | | | | | | | | |

### 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 | Semifinals | Semifinals | Semifinals | Semifinals |
| 7 | J-L Struff | 6 | 2 | 7 | | | | | | | | | | | | | |
| | P Gojowczyk | 2 | 6 | 5 | 7 | J-L Struff | 6 | 7$^7$ | | | | | | | | | |
| | L Pouille | 1 | 7 | 7 | | L Pouille | 3 | 6$^4$ | | | | | | | | | |
| | H Laaksonen | 6 | 5 | 5 | | | | | | 7 | J-L Struff | 6 | 6 | | | | |
| LL | Michael Bois | 3 | 3 | | | | | | | WC | K Khachanov | 2 | 4 | | | | |
| WC | K Khachanov | 6 | 6 | | WC | K Khachanov | 7 | 4 | 6 | | | | | | | | |
| | T Fabbiano | 6 | 6 | | | T Fabbiano | 5 | 6 | 3 | | | | | | | | |
| 3 | T Gabashvili | 4 | 2 | | | | | | | | | | | 7 | J-L Struff | 6 | 6 |
| 6 | M Kližan | 6 | 6 | | | | | | | | | | | | M Copil | 4 | 1 |
| Q | G Burquier | 3 | 1 | | 6 | M Kližan | 6 | 7$^{11}$ | | | | | | | | | |
| | A Kuznetsov | 6 | 6 | | | A Kuznetsov | 4 | 6$^9$ | | | | | | | | | |
| WC | A Ritschard | 4 | 1 | | | | | | | 6 | M Kližan | 3 | 1 | | | | |
| | M Berrer | 3 | 6 | 4 | | | | | | | M Copil | 6 | 6 | | | | |
| | M Copil | 6 | 3 | 6 | | M Copil | 6 | 2 | 6 | | | | | | | | |
| LL | L Recouderc | 7$^{12}$ | 3 | 6 | LL | L Recouderc | 4 | 6 | 4 | | | | | | | | |
| 2 | E Donskoy | 6$^{10}$ | 6 | 2 | | | | | | | | | | | | | |