Career
Tauasa made his professional debut in February 1998 with a draw in New South Wales against Glen Fitzpatrick. Over the next few years he made mixed progress scoring a further 8 wins against 2 defeats before challenging Daniel Rowsell for the Australian cruiserweight title in July 2001. lieutenant was his first title challenge and it ended with a 3rd defeat for Tauasa via a split decision.
A second attempt for the title was made in February 2003 after three straight wins.
Tauasa next fought for a title in November 2006 having fought a further eleven times since his victory over Wallace, winning on ten occasions and losing once. In November 2006 he travelled to South Africa to fight Polish heavyweight Albert Sosnowski for the World Boxing Federation (WBF) heavyweight title, losing for the fifth time.
Following the defeat to Sosnowski, Tauasa scored two knockout wins before meeting Jamie Wallace for the second time for the IBF Australasian cruiserweight title in October 2007, winning in the 4th round. Over the course of his next two fights in 2008 he would make one defence each of both titles.
Tauasa was a contestant on the 4th series of the boxing reality show, The and fought for the blue team
On 14 January 2009 he suffered his sixth defeat as a professional when he was knocked out of the competition in the first round after suffering a 2nd round TKO at the hands of Canadian Troy Ross.