In 2008–09, Agafonova/Dun won gold and silver medals on the JGP series. They qualified for their second JGP Final and finished 7th. They won the 2009 Ukrainian national junior title and were sent to the 2009 World Junior Championships where they finished 13th. The following season, the duo obtained their fifth JGP medal, bronze. They parted ways at the end of the season.