 He played a crucial part in the side's 3–2 win over reigning champions Italy as he played in every match of their World Cup campaign, which saw Slovakia reach the round-of-16, where they lost to the eventual runners-up, the Netherlands.Škrtel captained Slovakia through UEFA Euro 2016 qualifying which saw the Slovaks defeat defending champions Spain en route to qualifying for the final tournament in France, where they achieved the Round of 16, beating Russia and tying with England.Škrtel is the third most frequently capped player in the history of Slovakia and on 13 October 2018 he collected his 100th cap in the national team, becoming the third player in Slovak history to do so, in a derby match against Czech Republic in Trnava, in the same match, when Marek Hamšík became the most capped player in Slovakian history.