<prompt> Ngwala tšwetšopele ya serapa se - Ka 2012, Koptelov o ile a phadišana go FINA World Swimming Championships ya 2012 25 m kua Istanbul, Turkey a fihlelela makgaolakgang a banna a 50 m butterfly. Ka 2013 Summer Universiade ka Kazan, Kopelov e be e le setho sa Sehlopha sa Russia seo se thopilego gauta ka banna 4 × 100 m medley le Vladimir Morozov, Kiril Strelnikov le Andrey Grechin le bronze medal ka 100 m butterfly. Ka 2014, Koptelov o feditše 8th ka 200 m serurubele ka 2014 European Championships  <response>: .. le 