Career
His regular position is winger or outside centre. Youth
After being included in the Griffons" squad during the 2008 Under–18 Academy Week tournament, he was then included in the Griffons U21 squad for the 2009, 2010 and 2011 Under-21 Provincial Championship competitions. He was especially prolific in the 2010 season, scoring nine tries in seven appearances to finish joint second in the Group B try scoring charts.
A further three tries following in 2011.
Griffons
He was named in the Griffons squad for the 2010 Vodacom Cup competition, but failed to make an appearance despite being names as a reserve for their match against Griquas. He had to wait another year to make his first class debut, coming on as a second-half substitute in their 2011 Vodacom Cup match against Argentinean side Pampas XV in Potchefstroom, followed by four more appearances in the same competition and another four in the 2012 Vodacom Cup.
Leopards
Shortly after that match against the Leopards, Janke actually joined the Potchefstroom-based team Two more appearances followed that season, including a start against the Eastern Province Kings.
Golden Lions
He joined the Golden Lions for the 2013 season.
He was also included in the Wits squad for the 2013 Varsity Cup competition, but failed to make an appearance.
