2021 Open 13 Provence

The 2021 Open 13 Provence was a men's tennis tournament played on indoor hard courts. It is the 29th edition of the Open 13, and part of the ATP Tour 250 series of the 2021 ATP Tour. It was the 29th edition of the tournament and took place at the Palais des Sports in Marseille, France, from 8 March until 14 March 2021. First-seeded Daniil Medvedev won the singles title.

Singles

 * 🇷🇺 Daniil Medvedev defeated 🇫🇷 Pierre-Hugues Herbert, 6–4, 6–7(4–7), 6–4

Doubles

 * 🇬🇧 Lloyd Glasspool / 🇫🇮 Harri Heliövaara defeated  Sander Arends /  David Pel, 7–5, 7–6(7–4)

Seeds

 * Rankings are as of March 1, 2021.

Other entrants
The following players received wildcards into the main draw:
 * 🇫🇷 Benjamin Bonzi
 * 🇫🇷 Hugo Gaston
 * Petros Tsitsipas

The following player received entry using a protected ranking into the main draw:
 * 🇺🇸 Mackenzie McDonald

The following players received entry from the qualifying draw:
 * 🇦🇺 Matthew Ebden
 * 🇫🇷 Constant Lestienne
 * 🇸🇰 Alex Molčan
 * 🇫🇷 Arthur Rinderknech

Withdrawals

 * Aljaž Bedene → replaced by 🇺🇸 Mackenzie McDonald
 * 🇮🇹 Matteo Berrettini → replaced by 🇰🇿 Mikhail Kukushkin
 * Marin Čilić → replaced by 🇬🇧 Cameron Norrie
 * 🇬🇧 Kyle Edmund → replaced by 🇧🇾 Egor Gerasimov
 * 🇫🇷 Gilles Simon → replaced by 🇫🇷 Lucas Pouille
 * 🇩🇪 Jan-Lennard Struff → replaced by 🇫🇮 Emil Ruusuvuori
 * 🇪🇸 Fernando Verdasco → replaced by 🇫🇷 Pierre-Hugues Herbert
 * 🇨🇿 Jiří Veselý → replaced by 🇫🇷 Grégoire Barrère

Retirements

 * 🇦🇺 Matthew Ebden

Seeds

 * 1 Rankings are as of 1 March 2021.

Other entrants
The following pairs received wildcards into the doubles main draw:
 * 🇫🇷 Albano Olivetti / 🇫🇷 Jo-Wilfried Tsonga
 * Petros Tsitsipas / Stefanos Tsitsipas

Withdrawals

 * Before the tournament
 * 🇧🇪 Sander Gillé / 🇧🇪 Joran Vliegen → replaced by 🇮🇳 Purav Raja / 🇦🇹 Tristan-Samuel Weissborn
 * 🇨🇿 Roman Jebavý / 🇨🇿 Jiří Veselý → replaced by 🇫🇷 Benjamin Bonzi / 🇫🇷 Antoine Hoang
 * 🇦🇺 Matthew Ebden / 🇦🇺 John-Patrick Smith → replaced by 🇦🇺 Matthew Ebden / 🇦🇺 Matt Reid