[5] On 29 October 2021, OB confirmed that 18-year-old Kjerrumgaard had signed his first professional contract and would be permanently promoted to the first-team squad starting in the 2022–23 season.
[6] Shortly after becoming a regular part of the first-team squad, Kjerrumgaard made his official debut for OB.
He came off the bench to replace Ayo Simon Okosun in the final minutes of the season opener against Nordsjælland on 18 July 2022.
However, on 31 August 2022, it was confirmed that Kjerrumgaard had been loaned to Danish 1st Division side Nykøbing FC for the remainder of the season.
[3] As a forward, he excels in the penalty area, utilising his height and aerial ability to score from crosses and set-pieces.