Rubuta ci gaba ga wannan sakin layi - Nikulin ya taka leda a Team Russia. Ya fafata a gasar zakarun duniya na 1999 karkashin shekaru 18, ya sami lambar azurfa a gasar zakarun duniya ta 2000
, tagulla a Gasar Cin Kofin Duniya ta 2007, azurfa a Gasar Cin Kofin Duniya ta 2010 da zinare a Gasar Cin Kofin Duniya ta 2008, 2009 da 2012. An zaɓe shi zuwa ƙungiyar Olympics ta Rasha ta 2010.