Australia's Steven Currie defended his men's K42 75 kilogram title at the Oceania Para Taekwondo Open in Auckland.
Currie was given a stern test by Japan's Kentaro Takahashi in the gold medal match in the New Zealand city.
The Australian would eventually secure a narrow 8-6 victory to retain his title.
Croatia's top-ranked Ivan Mikulic suffered a shock loss in the K44 over-75kg division, with the United States' Evan Medell triumphing.
Medell won the event 24-19.
Germany's Hasim Celik and American Corbin Stacey completed the podium positions.
France would also end the open events with two gold medals, as Bopha Kong and Alain Akakpo earned comfortable wins.
Kong beat Japan's Chikara Ito in the men's K44 61kg event by a 26-6 score.
Anouar Gaouzi, also of France, won bronze.
Akakpo was the victor in the men's up to 75kg K44 class, as he beat American Felix Sabates in the final.
Allain Keanu Ganapin of The Philippines rounded off the top three.
The athletes were all seeking to earn world ranking points as the countdown continues to the World Championships in London this October.
The next event on the calendar is the Asian Para Taekwondo Open, which will begin on July 1 in Chuncheon, South Korea.