He also holds Belgian citizenship and competed for Belgium in single skating until 2010. Blommaert competed for Belgium in single skating until 2010, appearing at the European Championships and Junior World Championships. Pair skating
Blommaert teamed up with Annabelle Prölß in October 2011.
In 2012-2013, Prölß/Blommaert made their Junior Grand Prix debut in Lake Placid, finishing 6th, and then placed 4th in Germany.
They then finished 7th at the 2013 World Junior Championships. In 2013-2014, Prölß/Blommaert debuted on the senior international level
After finishing 4th at their first two events, they took gold at the International Cup of Nice. In the 2015-2016 season, Blommaert started skating with Mari Vartmann.
Pair skating with Vartmann