At the 2012 Summer Olympics, he competed for the national team in the men's tournament where Belgium ended fifth. Van Aubel became European vice-champion with Belgium at the 2013 European Championship on home ground in Boom. After winning the silver medal at the Rio Olympics, he became World Champion at Bhubaneswar. In 2019, he was a part of the squad which won Belgium its first European title. On 25 May 2021, he was selected in the squad for the 2021 EuroHockey Championship.