Midway through the 2012–13 season, his second in the Kontinental Hockey League, he moved from Metallurg to Salavat Yulaev Ufa.

After the Oilers selected him in the third round (88th overall) of the 2013 NHL Entry Draft, Slepyshev remained in Russia to continue his development with Salavat.

[2] After his entry-level contract with the Oilers following the 2017–18 season, Slepyshev was tendered a qualifying offer to retain his rights.

[3] Following his sixth season with CSKA in 2023–24, having claimed three Gagarin Cup championships during his tenure, Slepyshev was traded by the club to HC Dynamo Moscow in exchange for prospect Ivan Patrikhayev on 23 May 2024.

This biographical article relating to a Russian ice hockey winger is a stub.