The 2020 Open Sud de France was a men's tennis tournament played on indoor hard courts. It was the 33rd edition of the event, and part of the ATP Tour 250 series of the 2020 ATP Tour. It took place at the Arena Montpellier in Montpellier, France, from 3 February until 9 February 2020. Gaël Monfils won the singles title.[1]
See main article: 2020 Open Sud de France – Singles.
Gaël Monfils defeated 
Vasek Pospisil, 7–5, 6–3See main article: 2020 Open Sud de France – Doubles.
Nikola Ćaćić / Mate Pavić defeated 
Dominic Inglot / 
Aisam-ul-Haq Qureshi, 6–4, 6–7(4–7), [10–4]| Country | Player | Rank1 | Seed | |
|---|---|---|---|---|
| France | Gaël Monfils | 10 | 1 | |
 Belgium | David Goffin | 11 | 2 | |
| Canada | Denis Shapovalov | 13 | 3 | |
| Grigor Dimitrov | 20 | 4 | ||
| Canada | Félix Auger-Aliassime | 22 | 5 | |
 Spain | Pablo Carreño Busta | 30 | 6 | |
| Serbia | Filip Krajinović | 41 | 7 | |
| France | Ugo Humbert | 43 | 8 |
The following players received wildcards into the singles main draw:
The following player received entry using a protected ranking into the singles main draw:
The following players received entry from the qualifying draw:
Radu Albot → replaced by Grégoire Barrère Dan Evans → replaced by 
Norbert Gombos
Fabio Fognini → replaced by Pierre-Hugues Herbert
John Millman → replaced by Jannik Sinner Lucas Pouille → replaced by 
Mikael Ymer
Andrey Rublev → replaced by Henri Laaksonen
Dennis Novak| Country | Player | Country | Player | Rank1 | Seed | |
|---|---|---|---|---|---|---|
| Kevin Krawietz | France | Nicolas Mahut | 11 | 1 | ||
| Jean-Julien Rojer |  Romania | Horia Tecău | 39 | 2 | ||
| Austria | Jürgen Melzer | France | Édouard Roger-Vasselin | 52 | 3 | |
| United Kingdom | Jamie Murray | United Kingdom | Neal Skupski | 56 | 4 |
The following pairs received wildcards into the doubles main draw:
The following pair received entry as alternates:
