Nicolai Jorgensen received a barrage of online abuse after missing a penalty, prompting Denmark to make a police report.
Luka Modric missed a penalty and scored in the shoot-out as Croatia's golden generation survived an arduous mental test to overcome Denmark.
Nicolai Jorgensen missed from the penalty spot as Denmark suffered a shoot-out defeat to Croatia, who had Ivan Rakitic to thank.
With Lionel Messi unlikely to defend his World Cup Golden Ball prize, Zlatko Dalic hopes Luka Modric does enough to win.
Croatia's clash with Denmark pits Luka Modric against Christian Eriksen, but the Real Madrid man is looking beyond individual battles.
Denmark legend Peter Schmeichel did not tell son Kasper about the time he was lobbed by Davor Suker, according to the Leicester City man.
Luka Modric goes head-to-head with Christian Eriksen on Sunday, and Denmark boss Age Hareide cannot wait.
It is time for Luka Modric and Croatia's stars to forget about 1998 and embrace their chance to make World Cup history in Russia.
France v Argentina and Uruguay v Portugal are arguably the pick of the round of 16 at Russia 2018.