The Tongans set the tone through the early exchanges with some bully ball, sending countless ball carriers up the middle and causing the Force some defensive headaches.
It worked, too, as the home side gifted James Faiva two shots at goal.
He missed the first but duly slotted the second, drawing first blood for a hodgepodge Tongan outfit.
The Force responded with interest, crossing through Rod Davies, Andrew Deegan and Marcel Brache, the last try a particularly soft effort from the Tongans.