Tonga finished runners-up behind Australia at the Olympic qualifying tournament in Auckland, producing the biggest upset of the weekend by thrashing Samoa 41-5 in the semifinals.
That was enough to keep alive their hopes of making it to Rio, and they will join Samoa at a final repechage event next year.
In the past their efforts would also have earnt them a spot at the New Zealand and Australian legs of the World Series but World Rugby has yet to confirm how those places will be allocated.
