Kammala jumla mai zuwa: A watan Agusta na 2015, Gumennik ya fara fitowa a gasar ISU Junior Grand Prix (JGP), wanda Oleg Tataurov, Tatiana Mishina, da Alexei Mishin suka horar. Ya kasance na shida a JGP na 2015 a Riga, Latvia, sannan na huɗu a Toruń, Poland. A cikin
Gasar zakarun Rasha ta 2016, ya gama na shida.