Petoa has been regarded as one of the best players in Tuvalu and is the all-time top scorer of the
Tuvalu national team. On 22 August 2011, Petoa debuted for the Tuvalu national team during a 3–0 win over
Samoa, scoring a hat-trick in what was Tuvalu's first international match in four years and their highest victory in history. In 2013 Petoa was called for a tour with
Tuvalu football Team that took place in the
Netherlands where he scored. On 8 June 2018 at the
CONIFA World Football Cup in London, Petoa scored two goals, putting Tuvalu ahead of
Tamil Eelam, only for their opponents to stage a dramatic comeback in stoppage time to win 4–3. ==Style of play==