[citation needed] On 17 November 2012, Shunin was struck by a firecracker thrown from the stands during a Russian Premier League match against FC Zenit Saint Petersburg.

[7] Due to presence of Igor Akinfeev, another Russian one-club man goalkeeper of CSKA Moscow fame, Shunin's opportunities in the national team have been limited for most part of his senior career.

[citation needed] After a three-year break, he was called up for the national team again for a friendly game against Belgium on 17 November 2010.

[9] After another 6 years without call-ups, he was included in the squad for the games against Turkey and Czech Republic in September 2018, two months after then retirement of goalkeeper Igor Akinfeev from international football.

[10] He played his first competitive match for his country on 19 November 2019 in a Euro 2020 qualifier against San Marino, keeping a clean sheet.