The first slate of fixtures is nearing its end at Euro 2016, and Tuesday sees Cristiano Ronaldo's Portugal take on minnows Iceland as the Group F campaign finally gets under way.
Manager Fernando Santos will lead Portugal into their first test of the UEFA European Championship in Saint-Etienne full of confidence following their final warm-up win last Wednesday, a 7-0 hammering of Estonia.
Iceland also ended their Euro 2016 preparations on a high by beating Liechtenstein 4-0, and head coach Lars Lagerback boasts a team free of pressure in their maiden major international tournament.
Austria and Hungary open the day's proceedings with a crunch encounter that's sure to have a major bearing on who takes second place in Group F.