[1][2] In 2022, Ferro pressed charges against former coach Pierre Bouteyre for alleged rape and sexual assault that took place when she was aged between 15 and 18 years old.

[6] Ferro made her WTA Tour singles debut at the 2014 Internationaux de Strasbourg; as a wildcard, she lost in the first qualifying round to Yuliya Beygelzimer.

[7] Ferro then made her WTA 125 singles debut at the Open de Limoges, after receiving a wildcard for the main draw wherein she lost in the first round to the unseeded Ivana Jorović.

[6][8] At the end of 2017, Ferro packed up and moved to Paris to train at the Centre National d'Entraînement (CNE) to take advantage of the very good facilities there.

Ferro also played in Strasbourg, where she had entered the singles main draw as a wildcard, losing in the first round to the sixth seed Tímea Babos.

[10] In July, Ferro won her first Tour singles title in Lausanne, beating defending champion Alizé Cornet in the final.

[13] On 9 August, Ferro won her second WTA Tour title, defeating Anett Kontaveit in the final of the Palermo Ladies Open.

[15] Ferro reached the fourth round of the French Open, her best showing at a Grand Slam tournament in her career thus far, where she was defeated by fourth-seeded and eventual runner-up, Sofia Kenin.

[citation needed] Ferro reached the third round of the Australian Open, her best showing at this Grand Slam event in her career so far, where she was defeated by 15th seed Iga Świątek.

After that, her season was plagued by injuries, including one in April that forced her to retire from her quarterfinal in Istanbul, and then one (foot) before Roland Garros.

After a winningless grass-court season, Ferro came back on clay and reached the quarterfinals in Lausanne, beaten by Clara Burel.

Ferro then reached the semifinals of the ITF tournament of Santa Fe in California, where she retired in the third set against Elvina Kalieva (at 6–4, 4–6, 0–3).

During her last two events of the year, she lost against the Canadian Françoise Abanda in the Billie Jean King Cup Finals, and then against Aliaksandra Sasnovich in the first round in Linz, both times in three sets.