[2] Sereda made his Ukrainian national team debut in 2019, at the age of 13.

At the World Championships he placed 4th in both individual and synchronized (with Oleh Serbin) dives on 10m platform.

[4] Sereda became the youngest ever Europe champion on 11 August 2019, after winning gold in the individual 10 metre platform competition at the 2019 European Diving Championships.

[5][6] He also won a silver medal with his partner Oleh Serbin in synchronized diving.

He won a gold medal in the 10 metre platform with a significant gap over runner-up British diver Noah Williams, a silver medal together with 15-year-old Kirill Boliukh in the 10 metre synchro platform and a silver together with Sofiya Lyskun in the mixed 10 metre synchro platform.