The Craigie-based Breakers Swim Club member had posted top five finishes in the previous seven rounds he had competed in across the series.
And he did not disappoint in the eighth and final round, coming fourth in the men’s 5km event in a time of 1hr 09min 10.10sec, which saw him crowned the male Open Water Series champion for 2014-15.
The title follows his performance in the Rottnest Channel Swim where he was fifth in the solo category.
Fellow Breakers swimmer Jack Wilson also proved his class with his efforts at the recent National Australian Open Water Swimming Championships.
The 13-year-old was named champion the national age champion for the 5km category after he won the race in a personal best time of 1hr 02min, winning by just two seconds.
Kieren Pollard came third in the 15-year division.
Breakers had 16 swimmers qualify for the national championships with six finishing in the top 10 for their age group.