Bax repeated this result in 2008 and 2009 before taking out three consecutive national titles from 2010 to 2012, the first two with Ben van den Bogaart as his passenger, the third with Kaspars Stupelis.

[1] Etienne Bax made his debut in the World Championship in 2007 with passenger Marc van Deutekom at his side, coming twenty-first overall with a twelfth place in Plomion as their best race result.

[4] Bax, with Stupelis as his passenger once more, won the 2015 Sidecarcross World Championship, taking out the title in the second-last event of the season.

In October 2015 it was announced that Bax would race with his younger brother Robbie as passenger instead of Stupelis in 2016 and that the team would switch to Yamaha engines.

[6] He is the older brother of Robbie Bax (born 18 October 1991) who himself is active in the Sidecarcross World Championship as a passenger and who raced with Etienne in the early days of their careers.