He competed in the 200 m and 400 m medley events at the 1988 Summer Olympics and finished fourth and 13th, respectively.
Their daughter Kateryna Zubkova (born 14 July 1988) is also an Olympic swimmer.
[5] In 2007, he was banned for six years from international swimming competitions after a fight with his daughter at the World Championships.
The daughter did not blame Zubkov for the incident, and the case was dismissed by the Australian police.
However, the brawl was filmed by a security camera and circulated worldwide, thereby damaging the reputation of swimming.