Career
Tsoy competed for Uzbekistan in the men"s 400 m freestyle at the 2004 Summer Olympics in Athens. He challenged six other swimmers in heat one, including Qatar"s 14-year-old Anas Abu-Yousuf and Philippines" two-time Olympian Miguel Mendoza. Entering the race with the fastest-seeded time, Tsoy faded down the final stretch to pick up a sixth seed in 4:16.91, more than fifteen seconds off the leading time set by Mendoza (4:0199).