The 2020 Open du Pays d'Aix was a professional tennis tournament played on clay courts. It was the seventh edition of the tournament which was part of the 2020 ATP Challenger Tour. It took place in Aix-en-Provence, France between 7 and 13 September 2020.
The following players received wildcards into the singles main draw:
The following player received entry into the singles main draw using a protected ranking:
The following players received entry into the singles main draw as special exempts:
The following players received entry from the qualifying draw:
The following players received entry as lucky losers: