| Date: | 7–13 September |
| Edition: | 7th |
| Draw: | 32S / 16D |
| Surface: | Clay |
| Location: | Aix-en-Provence, France |
| Champs: | Oscar Otte |
| Champd: |  Andrés Molteni / Hugo Nys |
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.
| Country | Player | Rank1 | Seed | |
|---|---|---|---|---|
 France | Gilles Simon | 52 | 1 | |
| Pablo Cuevas | 61 | 2 | ||
 Italy | Gianluca Mager | 80 | 3 | |
 Bolivia, Plurination;al State of | Hugo Dellien | 97 | 4 | |
 Spain | Roberto Carballés Baena | 101 | 5 | |
 Australia | Alexei Popyrin | 102 | 6 | |
| Argentina | Federico Coria | 103 | 7 | |
| Italy | Marco Cecchinato | 108 | 8 |
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:
See main article: 2020 Open du Pays d'Aix – Singles.
Thiago Seyboth Wild 6–2, 6–7(4–7), 6–4.See main article: 2020 Open du Pays d'Aix – Doubles.
Andrés Molteni / Hugo Nys def. Ariel Behar / 
Gonzalo Escobar 6–4, 7–6(7–4).
