Chris Garner made his debut on 8 November 2008 at the Perth Muay Thai event Battle Colossal V against Stewart Mcmillan.

At Battle Colossal VIII, Garner was given the chance to fight for the Western Australian title against fighter "Kandy" Kane Henderson for the vacant WPMF Super Welterweight championship.

[2] 5 December 2009 Garner represented Australia at the annual Thai King's Birthday event where he fought United States Cyrus Washington.

Battle Colossal IX 27 March 2010 Chris Garner defended his title against Wes Capper, on the under card of Australia's Super 8 Eliminator Championship which aired on Foxsports Television.

[4] On 30 October 2010, Garner faced former Champion Dusan Salva on the main event card of Battle Colossal XI, for the vacant super welterweight WBC Muay Thai Western Australian title.