| Singles | |
|---|---|
| 2013 Geneva Open Challenger | |
| Champion |  Malek Jaziri |
| Runner-up |  Jan-Lennard Struff |
| Score | 6–4, 6–3 |
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.
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)| Semifinals | Final | ||||||||||||
| Malek Jaziri | 5 | 77 | 7 | ||||||||||
 Marco Chiudinelli | 7 | 61 | 5 | ||||||||||
| Malek Jaziri | 6 | 6 | |||||||||||
| 7 | Jan-Lennard Struff | 4 | 3 | ||||||||||
| 7 | Jan-Lennard Struff | 6 | 6 | ||||||||||
| Marius Copil | 4 | 1 | |||||||||||
| First round | Second round | Quarterfinals | Semifinals | ||||||||||||||||||||||||
| 9 | A Martin | 77 | 2 | 6 | |||||||||||||||||||||||
| Q |  M Donati | 61 | 6 | 1 | 9 | A Martin | 7 | 4 | 2 | ||||||||||||||||||
| M Jaziri | 6 | 6 | M Jaziri | 5 | 6 | 6 | |||||||||||||||||||||
| K Kravchuk | 3 | 2 | M Jaziri | 77 | 79 | ||||||||||||||||||||||
| WC | S Bohli | 63 | 6 | 3 | 8 | A Golubev | 65 | 67 | |||||||||||||||||||
| T de Bakker | 77 | 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 | 77 | 7 | ||||||||||||||||||||
| 4 | J Huta Galung | 1 | 1 | M Chiudinelli | 7 | 61 | 5 | ||||||||||||||||||||
| M Bachinger | 6 | 6 | M Bachinger | 0 | 77 | 5 | |||||||||||||||||||||
 M Fischer | 3 | 7 | 65 | N Gombos | 6 | 65 | 7 | ||||||||||||||||||||
| N Gombos | 6 | 5 | 77 | N Gombos | 1 | 64 | |||||||||||||||||||||
| M Chiudinelli | 6 | 6 | M Chiudinelli | 6 | 77 | ||||||||||||||||||||||
| WC | S Ehrat | 1 | 3 | M Chiudinelli | 6 | 4 | |||||||||||||||||||||
| Q | Y Marti | 6 | 6 | Q | Y Marti | 1 | 0r | ||||||||||||||||||||
| 5 | A Ungur | 3 | 2 | ||||||||||||||||||||||||
| First round | Second round | Quarterfinals | Semifinals | ||||||||||||||||||||||||
| 7 | J-L Struff | 6 | 2 | 7 | |||||||||||||||||||||||
| P Gojowczyk | 2 | 6 | 5 | 7 | J-L Struff | 6 | 77 | ||||||||||||||||||||
 L Pouille | 1 | 7 | 7 | L Pouille | 3 | 64 | |||||||||||||||||||||
| 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 | 711 | ||||||||||||||||||||
| A Kuznetsov | 6 | 6 | A Kuznetsov | 4 | 69 | ||||||||||||||||||||||
| 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 | 712 | 3 | 6 | LL | L Recouderc | 4 | 6 | 4 | ||||||||||||||||||
| 2 | E Donskoy | 610 | 6 | 2 | |||||||||||||||||||||||
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Philipp Kohlschreiber was the defending champion, but lost in the second round to Denis Istomin.
This was the first edition of the tournament.
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