2020 Open de Rennes

The 2020 Open Blot Rennes was a professional tennis tournament played on hard courts. It was the fourteenth edition of the tournament and part of the 2020 ATP Challenger Tour. It took place in Rennes, France between 20 and 26 January 2020.

Singles main-draw entrants

Seeds

¹ Rankings are as of 13 January 2020.
Other entrants

The following players received wildcards into the singles main draw:

The following players received entry into the singles main draw as alternates:

The following players received entry from the qualifying draw:

Corentin Denolly
Teymuraz Gabashvili
Champions

Singles

Arthur Rinderknech def. James Ward 7–5, 6–4.
Doubles
Antonio Šančić / Tristan-Samuel Weissborn def. Teymuraz Gabashvili / Lukáš Lacko 7–5, 6–7, .