Lauritsen has both played for Herning Fremad and Brande IF as a youth player, starting as a four-year-old, before joining Midtjylland in the summer 2011.[4]
At the age of 19, Lauritsen made his professional debut for Midtjylland on 8 November 2015, in a Superliga game against Esbjerg.[5]
Skive
On 5 January 2016 Danish 1st Division side Skive confirmed, that they had signed Lauritsen on a two-year contract.[1] On 1 December 2016, Lauritsen scored his first career goal in Skive 3–2 win over the Næstved Boldklub.
Vejle
Lauritsen signed for Vejle on 9 June 2017 for two years.[6] A few months later the club extended Lauritsen's contract for one more year.[7]
Norrköping
On 11 February 2019, Lauritsen moved abroad and signed for Swedish top club Norrköping on a three-year deal.[8]
Dinamo Zagreb
On 2 October 2020, Lauritsen signed for Croatian championsDinamo Zagreb.[9] He debuted two days later against Varaždin and made an error that resulted in a goal. However, his performances soon drastically improved and had an instant impact on Dinamo's defense, causing them not to concede a single goal in all five Europa Leaguegroup stage games that he played.[10][11]
Brøndby
On 30 January 2023, Lauritsen returned to his native Denmark to join Brøndby on a four-and-a-half-year contract.[12] He encountered an early injury that sidelined him for several months.[13] Making his debut for the club on 10 April, he entered the match in the 88th minute, substituting for Frederik Winther during a 2–1 league loss to Nordsjælland.[14] On 16 April, he earned his first starting position and contributed to the team keeping a clean sheet during a 1–0 victory against AGF.[15]
Personal life
Lauritsen has a twin brother, Frederik, who also plays football.[16]