In May 2011 Koshevoy finished 40th overall in the Gran Premio Industrie del Marmo and 41st at the in Italy. He then participated in the Belarus national championships, finishing second in the individual time trial behind Kanstantsin Sivtsov of and 11th in the road race. In July he travelled to Offida, Italy to participate in the European Road Championships, where he finished 33rd in the time trial and 53rd in the road race.