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. As a result, he qualified for the
2020 Summer Olympics in individual competitions. 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. He also won a silver medal with his partner
Oleh Serbin in synchronized diving. At the 2020 Olympics in Tokyo he finished 6th in the
10 metre platform event. The
2022 European Aquatics Championships was a success for 16-year-old Sereda. 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. With Boliukh, he placed 5th in the men's 10 metre synchro platform event at the 2024 Olympics. ==Awards==