Career
He plays as a winger for Football Club Nordsjælland in the Danish Superliga. Mikkelsen has eight senior caps for Denmark, as well as a total of 11 youth caps under two different age groups. Mikkelsen, after helping his team gain promotion to the Danish Superliga, switched from Lyngby BK to fellow SAS Liga club Brøndby IF in the summer of 2007.
On 21 July 2007, Mikkelsen made an impressive home debut for Brøndby in their match against Football Club Nordsjælland.
Mikkelsen scored a goal and also notched an assist in a match that ended in a 2–2 draw. He was signed to fill in the right winger spot in a 4–3–3 system, but coach Tom Køhlert and later Kent Nielsen decided to use a 4–4–2 formation.
This has resulted in sparse time on the pitch for the young winger. Nordsjælland
On 8 January 2016 Mikkelsen signed a two-year deal with his former club Football Club Nordsjælland.
Rosenborg
On 16 January 2013, Mikkelsens signed a four-year contract with Norwegian side Rosenborg BK, after a very disappointing half year in Greuther Fürth.
Mikkelsen received his first international call up to the Danish national team in November 2011, to face Sweden and Finland, making his debut for Denmark against Finland 15 November 2011. Mikkelsen was once again called up in December 2011, for Denmark"s tour of Thailand in January. International goals
Scores and results list Denmarks" goal tally first.