Kotovskyi's debut in international competitions occurred on December 1, 2017, at the European Cup stage in Ruka, Finland, where he was 32nd.

He was then 6th in the individual competition, finishing best among Ukrainians and 5th in the mixed team event.

He was unable to compete in the mixed team event due to positive COVID-19 tests.

[6] Kotovskyi's first World Cup podium came on 21 January 2023 when he finished 3rd in Le Relais, Canada.

Kotoskyi is student of the National University of Ukraine on Physical Education and Sport.