Partnering Miriam Kolodziejová, Dețiuc won her first WTA Tour doubles title at the Emilia-Romagna Open, defeating Arantxa Rus and Tamara Zidanšek in the final.

[1] She made her Grand Slam debut at the French Open with Andrea Gámiz as an alternate pair, but lost in the first round to American team Alycia Parks and Peyton Stearns.

At the US Open, partnering with Lauren Davis, she lost in the first round to eventual champions Gabriela Dabrowski and Erin Routliffe, after winning the first set.

In May, Dețiuc won her first WTA 125 title with Amina Anshba at Saint-Malo, defeating Estelle Cascino and Carole Monnet in the final.

[citation needed] They lost to 11th seeds and eventual runners-up Jasmine Paolini and Sara Errani.