| Date: | 28 October – 3 November |
| Edition: | 26th |
| Surface: | Hard |
| Location: | Geneva, Switzerland |
| Champs: |  Malek Jaziri |
| Champd: |  Oliver Marach /  Florin Mergea |
The 2013 Geneva Open Challenger was a professional tennis tournament played on hard courts. It was the 26th edition of the tournament which was part of the 2013 ATP Challenger Tour. It took place in Geneva, Switzerland between 28 October and 3 November 2013.
| Country | Player | Rank1 | Seed | |
|---|---|---|---|---|
 Kazakhstan | ||||
 Russian Federation | Evgeny Donskoy | 78 | 2 | |
| Russian Federation | Teymuraz Gabashvili | 93 | 3 | |
| Jesse Huta Galung | 98 | 4 | ||
| Romania | Adrian Ungur | 110 | 5 | |
 Slovakia | Martin Kližan | 112 | 6 | |
| Jan-Lennard Struff | 114 | 7 | ||
| Kazakhstan | Andrey Golubev | 117 | 8 | |
| Slovakia | Andrej Martin | 124 | 9 |
The following players received wildcards into the singles main draw:
The following players received entry from the qualifying draw:
The following players received entry as a Lucky Loser:
See main article: 2013 Geneva Open Challenger – Singles.
Malek Jaziri def. Jan-Lennard Struff 6–4, 6–3See main article: 2013 Geneva Open Challenger – Doubles.
Oliver Marach / Florin Mergea def. František Čermák / Philipp Oswald 6–4, 6–3
