Christensen is attached to Hamburger GC Falkenstein and joined the German National Team in 2019. The same year he won the
European Young Masters with the team and was runner-up at the
European Boys' Team Championship, a tournament they won in 2021. Individually, he won the 2018 R&B German Junior Golf Championship and in 2019 he placed third at the Sir Henry Cooper Junior Masters and was runner-up at the
Fairhaven Trophy. In 2020, he won the Triple A European Open and in 2021, the German International Amateur Championship. He finished 7th at the 2023
European Amateur Championship, 4 strokes behind the winner, having led the tournament after two opening rounds of 64. After three semesters, he transferred to the
University of Arizona in the beginning of 2023, where he recorded the second lowest scoring average (71.68) on the
Arizona Wildcats men's golf team as a sophomore. In July 2023, he qualified for his first major, the
2023 Open Championship at
Royal Liverpool Golf Club. At the West Lancashire final qualifier, he saw off the likes of
Sergio García and
Graeme McDowell with rounds of 68 and 67 to finish in a tie for 4th alongside
Alex Fitzpatrick, two strokes behind medalist
Matt Wallace. ==Professional career==