Career
He made his debut for the national team in November 2015 in their 1–1 draw with Fiji. Prior to his 2015 debut against Fiji for the senior national team, Thomas previously featured a five times for the U-17 team at the 2013 OFC U-17 Championship where he scored twice, once salvaging a draw in their opening match against Papua New Guinea and once in a 3–1 victory against New Caledonia in their final group match. He was later called up to the Vanuatu national under-20 football team for the 2014 OFC U-20 Championship, where he played in four matches: a 1–0 victory over New Caledonia, a 0–0 draw with the Solomon Islands in the following group match, a 4–0 victory over American Samoa, where he was named as captain and a 2–2 draw with Fiji.