The movie was first titled "Thomas Edison", then "Lucky Loser", before getting its final title "Cinquième set".
This is the first movie shot inside the Roland-Garros stadium.
In 2017, the screenplay was selected in the "Coups de Coeur de Lecteurs Anonymes", a "Black List"-like selection of best unproduced French scripts. That's how producer Léonard Glowinski noticed the script and contacted writer-director Quentin Reynaud.
Hero is named Thomas Edison, like the famous inventor, for no real reason.