Lechemia made her Grand Slam main-draw debut at the 2019 French Open, after receiving a wildcard for the doubles draw, partnering Estelle Cascino.

[citation needed] Lechemia won her first WTA Tour title at the 2021 Copa Colsanitas in Bogotá, partnering with Ingrid Neel, defeating the third-seeded pair of Mihaela Buzărnescu and Anna-Lena Friedsam.

[2] Partnering Quinn Gleason, Lechemia was runner-up in the doubles at the WTA 125 2022 Montevideo Open, losing to Ingrid Martins and Luisa Stefani in the final.

[4] Playing with Katarzyna Kawa, she was doubles champion at the 2023 WTA 125 Polish Open, thanks to a win over Naiktha Bains and Maia Lumsden in the final.

[5] After the withdrawal of top seeds Coco Gauff and Jessica Pegula, she entered the 2024 Australian Open as an alternate pair, partnering Tamara Korpatsch, and reached the third round of a major for the first time in her career.