He debuted at state representative level for Victoria in the 2010 youth eight which contested the Noel Wilkinson Trophy at the Interstate Regatta within the 2010 Australian Rowing Championships.
[4] After university Masters first rowed in the Victorian men's senior eight when they won the 2016 King's Cup at the Interstate Regatta.
[7] Masters relocated to Canberra during his Australian representative years but races in UTS Haberfield Rowing Club colours at state and national regattas.
Masters made his Australian representative debut in the U23 eight at the 2011 World Rowing U23 Championships in Amsterdam where that eight finished in seventh place.
[8] That 2012 four raced as an Australian selection crew at the 2012 Henley Royal Regatta and won the Stewards' Challenge Cup.
[8] Masters made his first national senior squad appearance in the Australian men's eight who were unsuccessful in attempting to qualify for the 2016 Rio Olympics at the final FISA qualification regatta.
[13] In March 2023 Masters was again selected in the Australian senior men's sweep-oar squad for the 2023 international season.
[8] For the 2023 World Rowing Championships in Belgrade Serbia, the Australian men's eight was left unchanged and Masters again raced in the four seat.