The 2013 Open 13 was a men's tennis tournament played on indoor hard courts. It was the 20th edition of the Open 13, and part of the ATP World Tour 250 series of the 2013 ATP World Tour. It took place at the Palais des Sports in Marseille, France, from 18 February through 24 February 2013. Third-seeded Jo-Wilfried Tsonga won the singles title.
| Country | Player | Rank1 | Seed | |
|---|---|---|---|---|
 Czech Republic | Tomáš Berdych | 6 | 1 | |
 Argentina | Juan Martín del Potro | 7 | 2 | |
 France | Jo-Wilfried Tsonga | 8 | 3 | |
 Serbia | Janko Tipsarević | 9 | 4 | |
| France | Richard Gasquet | 10 | 5 | |
| France | Gilles Simon | 14 | 6 | |
 Poland | Jerzy Janowicz | 26 | 7 | |
 Slovakia | Martin Kližan | 31 | 8 |
The following players received wildcards into the singles main draw:
The following players received entry from the qualifying draw:
| Country | Player | Country | Player | Rank1 | Seed | |
|---|---|---|---|---|---|---|
 Pakistan | Aisam-ul-Haq Qureshi | Jean-Julien Rojer | 27 | 1 | ||
 India | Rohan Bopanna |  United Kingdom | Colin Fleming | 38 | 2 | |
 Austria | Julian Knowle | Slovakia | Filip Polášek | 62 | 3 | |
| France | Julien Benneteau | France | Michaël Llodra | 110 | 4 |
The following pairs received wildcards into the doubles main draw:
See main article: 2013 Open 13 – Singles.
Jo-Wilfried Tsonga defeated Tomáš Berdych, 3–6, 7–6(8–6), 6–4See main article: 2013 Open 13 – Doubles.
Rohan Bopanna / Colin Fleming defeated Aisam-ul-Haq Qureshi / Jean-Julien Rojer, 6–4, 7–6(7–3)
