Xherdan Shaqiri's spectacular goal for Switzerland against Poland is the pick of our best images from the first day of the Round of 16 games at Euro 2016. See full gallery below.
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Switzerland’s Xherdan Shaqiri scores on an acrobatic bicycle kick during the Euro 2016 round of 16 match against Poland, at the Geoffroy Guichard stadium in Saint-Etienne.
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Croatia’s supporters in the stands before the game against Portugal.
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Portugal’s Renato Sanches in action with Croatia’s Ivan Rakitic.
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Poland’s Artur Jedrzejczyk celebrates after Grzegorz Krychowiak scores during the penalty shootout to win the match against Switzerland.
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Wales’ Ashley Williams, James Chester, Hal Robson-Kanu and Chris Gunter in action with Northern Ireland’s Jonny Evans, Gareth McAuley and Craig Cathcart.
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Northern Ireland players react at the end of the match as Wales’ Ben Davies celebrates.
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Croatia’s Ivan Rakitic reacts after being stood on by Portugal’s Jose Fonte.
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Poland fans show support for their team.
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Croatia’s Domagoj Vida shoots at goal in the last minute of extra-time in their defeat to Portugal in Lens.
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Wales’ Gareth Bale celebrates with daughter Alba Violet after the round of 16 match at the Parc de Princes, against Northern Ireland.