2021 Open d'Orléans

The 2021 Open d'Orléans was a professional tennis tournament played on indoor hard courts. It was the sixteenth edition of the tournament which was part of the 2021 ATP Challenger Tour. It took place in Orléans, France between 27 September and 3 October 2021.

Seeds

 * 1 Rankings are as of 20 September 2021.

Other entrants
The following players received wildcards into the singles main draw:
 * 🇫🇷 Ugo Humbert
 * 🇫🇷 Harold Mayot
 * 🇫🇷 Corentin Moutet

The following player received entry into the singles main draw as an alternate:
 * 🇧🇪 Ruben Bemelmans

The following players received entry from the qualifying draw:
 * 🇫🇷 Kyrian Jacquet
 * 🇷🇺 Evgeny Karlovskiy
 * 🇨🇦 Brayden Schnur
 * 🇮🇹 Matteo Viola

The following player received entry as a lucky loser:
 * 🇫🇷 Hugo Grenier

Singles

 * Henri Laaksonen def. 🇦🇹 Dennis Novak 6–1, 2–6, 6–2.

Doubles

 * 🇫🇷 Pierre-Hugues Herbert / 🇫🇷 Albano Olivetti def. 🇫🇷 Antoine Hoang / 🇫🇷 Kyrian Jacquet 6–2, 2–6, [11–9].