Seeds • 1 Rankings as of 31 May 2021.
Other entrants The following players received wildcards into the singles main draw: •
Arthur Cazaux •
Kyrian Jacquet •
Matteo Martineau The following players received entry into the singles main draw as alternates: •
Javier Barranco Cosano •
Geoffrey Blancaneaux •
Agustín Velotti The following players received entry from the qualifying draw: •
Aziz Dougaz •
Titouan Droguet •
Oriol Roca Batalla •
Nikolás Sánchez Izquierdo The following player received entry as a lucky loser: • Oscar José Gutierrez ==Champions==