New Zealand fullback Keano Kini led the team to a 40-14 Pacific Cup victory over Tonga.
The Kiwis' dominant pack and outstanding performances by Kini and five-eighth Dylan Brown secured their win.
Coach Kristian Woolf said Katoa did not require a concussion test after hitting the turf before the match.
The Kiwis' win sets them up for the final in Sydney on November 9.
Author's summary: Kiwis defeat Tonga 40-14 in Pacific Cup.