Jenia Grebennikov debuted on the French national team in 2011. In 2014 he played at the World Championship 2014 held in Poland. France lost the match for the bronze medal with Germany and took 4th place. Grebennikov received an individual award for the "Best Libero" of the tournament. On October 18, 2015 the French national team, including Grebennikov, achieved the title of the European Champion 2015 (3–0 with Slovenia in the finale). He was awarded "Best Libero" of the championships.