2015 Open 13

The 2015 Open 13 was a men's tennis tournament played on indoor hard courts. It was the 22nd edition of the Open 13, and part of the ATP World Tour 250 series of the 2015 ATP World Tour. It took place at the Palais des Sports in Marseille, France, from 16 February through 22 February 2015. Fifth-seeded Gilles Simon won the singles title.

Seeds

 * Rankings are as of February 9, 2015.

Other entrants
The following players received wildcards into the main draw:
 * Borna Ćorić
 * 🇫🇷 Gaël Monfils
 * 🇫🇷 Benoît Paire

The following player received entry as a special exempt:
 * 🇮🇹 Luca Vanni

The following players received entry from the qualifying draw:
 * 🇫🇷 David Guez
 * 🇫🇷 Pierre-Hugues Herbert
 * 🇫🇷 Nicolas Mahut
 * 🇩🇪 Alexander Zverev

Withdrawals

 * Before the tournament
 * 🇫🇷 Julien Benneteau → replaced by Jan-Lennard Struff
 * 🇪🇸 Guillermo García López → replaced by Andrey Golubev
 * 🇫🇷 Richard Gasquet → replaced by Andrey Kuznetsov
 * 🇦🇺 Nick Kyrgios (back injury) → replaced by Sergiy Stakhovsky
 * 🇱🇺 Gilles Müller → replaced by Robin Haase

Retirements

 * 🇧🇪 David Goffin (back pain)
 * 🇫🇷 Pierre-Hugues Herbert (right shoulder injury)
 * 🇫🇷 Paul-Henri Mathieu (stomach illness)

Seeds

 * 1 Rankings are as of February 9, 2015.

Other entrants
The following pairs received wildcards into the main draw:
 * Hsieh Cheng-peng / Lee Hsin-han
 * 🇩🇪 Alexander Zverev / 🇩🇪 Mischa Zverev

Withdrawals

 * During the tournament
 * 🇫🇷 Pierre-Hugues Herbert (right shoulder injury)

Singles

 * 🇫🇷 Gilles Simon defeated 🇫🇷 Gaël Monfils, 6–4, 1–6, 7–6(7–4)

Doubles

 * Marin Draganja / 🇫🇮 Henri Kontinen defeated 🇬🇧 Colin Fleming / 🇬🇧 Jonathan Marray, 6–4, 3–6, [10–8]