Follow along for live updates and highlights as Croatia and Denmark play for a spot in the 2018 World Cup quarterfinals and a match against Russian Federation.
A dramatic start with two goals in the first four minutes promised a full-blooded contest to decide who would meet Russian Federation in Sochi on Saturday after the hosts beat Spain on penalties in Sunday's early game.
44' - Mario Mandzukic, who scored Croatia's goal in the fourth minute, goes down with what appears to be an ankle injury.
Both matches will be broadcast live on SONY ESPN, TEN 3 and TEN 2.
Free kick for Croatia wide on the left of the Danish area after Rebic is bought down.
Spain's shock exit to Russian Federation has completely opened up this side of the World Cup draw.
Denmark should provide a tough resistance, though, and has a game-breaker of its own in Christian Eriksen.
Independent: "Denmark face an almighty challenge in getting past Croatia".
Jonas Knudsen - 5 - The Ipswich defender's long throws caused a number of problems for the Croatian defence, but that was about the only effective final product he produced for his side. Only Ivan Perisic and Luka Modric kept their place in the starting lineup.
Zlatko Dalic's side surprised some by winning all three of their Group G games on their way to the last 16 at Russian Federation 2018.
Age Hareide's Denmark side are extremely disciplined and hard to break down, pretty much the polar opposite of the disheveled Argentina side that Croatia made mincemeat of last week. Coming to Russia, Croatia won one and lost one practice game before the main tournament got underway.
39' - A set piece for Croatia nearly results in a goal.
31 minute: Corner for Denmark.
Croatia v Denmark TV Channel: How do I watch Croatia v Denmark on TV?
In a World Cup that has seen so many upsets thus far, the possibility of Croatia - who maybe didn't enter as favourites but surely appeared at this point - making early exit seemed palpable. Goalkeeper Kasper Schmeichel makes a couple big stops.
Neither could force a victor during extra-time either, with Kasper Schmeichel saving a 116th-minute penalty from Modric, meaning spot-kicks were required.
Up next, we have another all-European encounter, as Croatia take on Denmark in Nizhny Novgorod.