DenmarkgoalkeeperKasper Schmeichel saves the injury time penalty kick by Croatia'sLuka Modric.
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.
It took less than five minutes for this match to explode in to life after Denmark opened proceedings with barely a minute on the clock; Mathias Jorgensen the recipient of some wayward defending which saw his effort squeeze past Danijel Subasic.
Croatia have won all their Group D matches, including a 3-0 hammering of Lionel Messi's Argentina.
Free kick for Croatia wide on the left of the Danish area after Rebic is bought down. If you are Croatia you've got to be thinking you've got a big chance of winning the World Cup. For that creative energy, he will rely heavily on key player Christian Eriksen.
Luka Modric talks up the threat of Christian Eriksen in Denmark's midfield and admits that Croatia must attempt to stop the playmaker in his tracks.
Denmark head coach Age Hareide may feel hard done by after his players showed more intent to win the game in normal time, but Feyenoord striker Jorgensen cracked at the vital moment before Rakitic sent them home.
Six of Croatia's seven goals at this year's World Cup have been scored in the second half.
Modric, who has already scored two goals, will be expected once again to pull the strings for Croatia from midfield.
The 51-year-old Bosnian-born coach, who played as a midfielder for many clubs in the former Yugoslavia and Croatia, said he was having the time of his life in Russian Federation.
To watch a live stream of the Croatia vs. DenmarkWorld Cup elimination clash, use the stream provided by Fox Sports Go. But Croatia have just enough artillery in their skill set to cross Denmark's hurdle but they might have to grind it out to achieve the desired result. In goal is Leicester City star Kasper Schmeichel.
Up next, we have another all-European encounter, as Croatia take on Denmark in Nizhny Novgorod.
Zlatko Dalic's side will undoubtedly dominate possession in Nizhny Novgorod, and Denmark's defence will have to be well organised to keep Croatia out.
Croatia vs. Denmark live stream
They have very good players and we are preparing for that game with maximum seriousness. "We know our qualities and strengths". Fans will be waiting to see who comes out on top between Modric, and Christian Eriksen , Denmark's standout player.