Simplikevich was part of the Russian squad at the 2011 Rugby World Cup, playing in two games.

[1] He scored a try against Ireland and another against Australia in the pool games.

[2] In the match for the Russian Supercup 2017 against the RC Kuban, he made 7 tries.

Simplikevich three times became the top try scorer of the Russian Championship (2012, 2014, 2017).

In the European Rugby Challenge Cup he has 6 tries in 18 matches.