Van Tonder turned professional in 2011 and played on the Sunshine Tour.

He has won 12 times on the tour, with his first two coming in 2014; the Investec Royal Swazi Open[2] and the Vodacom Origins of Golf at Euphoria.

[5] In March 2021, van Tonder claimed his first European Tour victory at the Kenya Savannah Classic.

[7] In December 2021, van Tonder won the SA Open Championship; the Sunshine Tour's flagship event.

[9][10] Heading into the third tournament of the season; the Cell C Cape Town Open, van Tonder was aiming to become the first player in history to win three consecutive Challenge Tour events and earn automatic promotion to the European Tour.