Argentina were gifted a third try shortly afterwards as Tonga failed to pick up a loose ball and centre Santiago Carreras raced clear for his first try for his country.
Urdapilleta had a simple conversion underneath the posts. The TMO ruled Urdapilleta came up short of the line after 24 minutes, but Montoya ploughed over to complete his hat-trick moments later, earning Argentina a bonus point as they made it 28-0.
Tonga got on the board before the break as Leicester Tigers winger Telusa Veainu broke through following some patient build-up play and Sonatane Takulua converted. David Halaifonua was denied a second try by the TMO before the break as Tonga went in 28-7 down.
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The second half was a much tighter affair, with superb defence from Takulua preventing Tomas Cubelli from scrambling over a fifth try.
Tonga scored the only try of the second half, with Veainu going over again after great strength from Cooper Vuna. Takulua’s conversion made it 28-12, and that was how it stayed.
– Press Association
WATCH: The new RugbyPass World Cup documentary, Tonga: Road To Japan
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