| Date: | 8 – 14 April |
| Edition: | 2nd |
| Draw: | 32S / 16D |
| Surface: | Clay |
| Prize Money: | €42,500 |
| Location: | Mersin, Turkey |
| Champs: |  Jiří Veselý |
| Champd: | Andreas Beck / Dominik Meffert |
The 2013 Mersin Cup was a professional tennis tournament played on clay courts. It was the second edition of the tournament which was part of the 2013 ATP Challenger Tour. It took place in Mersin, Turkey between 8 and 14 April 2013.
| Country | Player | Rank1 | Seed | |
|---|---|---|---|---|
 Austria | Andreas Haider-Maurer | 116 | 1 | |
| Jan-Lennard Struff | 117 | 2 | ||
 Belarus | Uladzimir Ignatik | 148 | 3 | |
 Serbia | Dušan Lajović | 153 | 4 | |
 Kazakhstan | Mikhail Kukushkin | 156 | 5 | |
| Simon Greul | 157 | 6 | ||
 France | Stéphane Robert | 181 | 7 | |
| Dominik Meffert | 186 | 8 |
The following players received wildcards into the singles main draw:
Tuna Altuna Cem İlkel Barkın Yalçınkale Anıl YükselThe following players received entry from the qualifying draw:
Marcin Gawron Michael Linzer Jaroslav Pospíšil| Country | Player | Country | Player | Rank1 | Seed | |
|---|---|---|---|---|---|---|
 Ireland | James Cluskey | Belarus | Uladzimir Ignatik | 359 | 1 | |
 Moldova, Republic of | Radu Albot |  Ukraine | Oleksandr Nedovyesov | 428 | 2 | |
 Italy | Alessandro Motti | Italy | Simone Vagnozzi | 488 | 3 | |
| Czech Republic | Jan Mertl | Czech Republic | Jaroslav Pospíšil | 544 | 4 |
The following pairs received wildcards into the doubles main draw:
Haluk Akkoyun / Marsel İlhan Durukan Durmuş / Anıl Yüksel Cem İlkel / Efe YurtaçanThe following pair received entry using a protected ranking:
The following pair received entry as an alternate:
See main article: 2013 Mersin Cup – Singles.
Jiří Veselý def. Simon Greul, 6–1, 6–1See main article: 2013 Mersin Cup – Doubles.
Radu Albot / Oleksandr Nedovyesov, 5–7, 6–3, [10–8]