[1] Starodubtseva won her first $60k tournament in June 2023 in Sumter, South Carolina, defeating Indian player Karman Thandi.

She made her major debut at the Australian Open after qualifying,[3][4][5] but lost in the first round to sixth seed Ons Jabeur.

[7] She recorded her first main-draw major win at the Wimbledon, as a qualifier, over Alison Van Uytvanck, on her debut.

[11] In September, Starodubtseva reached her first WTA Tour quarterfinal at the 2024 Jasmin Open by defeating Suzan Lamens[12] and third seed Diane Parry,[13][14] before losing to Sonay Kartal.

[16] Next, she defeated Elina Avanesyan and tenth seed Anna Kalinskaya to reach the quarterfinals of a WTA 1000 for the first time in her career.