"Double Ginetta Junior Championship Delight For Martin And O’Sullivan At Snetterton"
“Double podium for O'Sullivan at Donington”
"Zak O’Sullivan shines with podium, rookie victory and maiden pole on Ginetta Juniors debut"
“Zak O’Sullivan continues to improve and impress…and if this kind of form stays…he’ll certainly be a title contender”
Karting Magazine 2018
“O'Sullivan snatched his maiden Kartmasters GP Title in dramtic style... ”
Motorsport News 2016