Career
Rybovalov represented Ukraine at the 2008 Summer Olympics in Beijing, where he competed in two pistol shooting events, along with his teammate Oleg Omelchuk. He scored a total of 572 targets in the preliminary rounds of the men"s 10 m air pistol, by three points behind Vietnam"s Nguyễn Mạnh Tường from the final attempt, finishing only in thirty-fifth place. Three days later, Rybovalov placed twentieth in his second event, 50 m pistol, by one point ahead of United States" Jason Turner from the final attempt, with a total score of 553 targets.