Their fights will commence at 1pm local time (12pm PNG time) and first up will be Tamasi Kami in the over 91kg against Samoa. He will be followed by John Ume in the 64kg against Nauru.
Andrew Aisaga in the under 69kg will fight at 7pm this evening against Solomon Islands.
The final PNG bout will see Lucas Wakore in the under 81kg, going up against a Tahiti boxer representing the Pacific Games Council (PGC).
These are all quarter final-matches with the winner going through to the semi-finals the tomorrow.