At Ioribaiwa Ridge Diggers again come under Jap mountain gun fire on exposed position and suffer consistent casualies.
Australians keep the Japs guessing by patrolling heavily. One patrol of 2/14 Bn springs ambush and inflicts 30 casualties without loss. Japs probing to find the extent of the Australian position, aiming to outflank and encircle. But they misjudge the width of the Australian defences.
The 3rd Battalion moves forward to join the Australians. It will go on to spend more time on the Track than any other Australian unit.