[1] Monnet was born in Boiarka, Ukraine, and adopted at the age of two by French parents from Toulouse.

[2] Monnet made her WTA Tour main-draw debut at the 2021 Ladies Open Lausanne, where she received a wildcard into the doubles tournament.

[citation needed] Her first singles tour-level main-draw match was at the 2022 Internationaux de Strasbourg, losing to Elise Mertens in the first round.

[3] She received a wildcard for the main draw in singles at the 2022 French Open for her home Grand Slam tournament debut.

[2] Partnering Darja Semeņistaja, Monnet won the doubles title at the WTA125 2024 Țiriac Foundation Trophy, defeating Aliona Bolsova and Katarzyna Kawa in the final.