The 2016 Junior World Championship was held in Russia and van de Moosdijk distinguished himself by finishing second overall, after picking pole position along with the win in the opening race.
van de Moosdijk moved up to the EMX250 class during the 2017 European Motocross Championship, but could only compete in three rounds due to injury.
[9] Remaining with F&H Kawasaki for the 2021 FIM Motocross World Championship, van de Moosdijk picked up a handful of third-place race finishes at the start of the season, before a broken scaphoid derailed his campaign.
van de Moosdijk was signed up on a two-year deal by the Rockstar Energy Husqvarna team, starting in the 2022 FIM Motocross World Championship.
[12] The 2023 FIM Motocross World Championship would be van de Moosdijk's final season in the MX2 category due to the under-23 rule.
[13] After picking up a slight knee injury pre-season, van de Moosdijk and the Fantic Factory team parted ways.
However, van de Moosdijk continued to be hampered by his pre-season knee injury and after two rounds with no points scored, Team HRC parted company with him.
[15] Following further recovery time, van de Moosdijk signed for the KTM Kosak Team to focus on the 2024 ADAC MX Masters series from the fifth round onwards.