Shoshyna won five singles and ten doubles titles on the ITF Circuit.

She has career-high WTA rankings of 381 in singles and 279 in doubles, reached on 19 August 2019 and on 2 March 2020, respectively.

Shoshyna made her WTA Tour singles main-draw debut at the 2016 Katowice Open, after receiving a wildcard for the tournament.

In December 2020, Shoshyna was provisionally suspended under Article 8.3.1(c) of the 2020 Tennis Anti-Doping Programme.

She had failed a drug test; a urine sample she had provided at the $25k Ted Republican girls' tournament, played in Istanbul, Turkey from 26 October to 1 November 2020, was found to contain the prohibited substance stanozolol.