Van Zyl joined the Eastern Province Kings Academy, where he played for the Eastern Province U19 side in the 2010 Under-19 Provincial Championship. He was a key player for the Eastern Province U21 side in the 2012 Under-21 Provincial Championship, scoring 71 points in eight appearances. Van Zyl was under the Top SARU Performers, scoring the most tries at 6 in the 2012 Provincial Under 21 in the Rugby Junior Provincials.

This included a record and a remarkable personal haul in their opening match, when he scored 36 of his team's points in a 61–3 victory over Boland U21, consisting of four tries and eight conversions and was awarded Man of the Match.
Who was Kyle Van Zyl playing against when he scored 36 of hisa teams 61 points?
Kyle Van Zyl was playing against Boland U21 when he scored 36 points, leading his team to victory in a 61-3 win.