The attacking midfielder opened the scoring against Myanmar on Friday morning before adding a second after the interval in a 10-0 rout.
Minamino's formidable display in the World Cup qualifier comes after a frustrating season during which he was shipped out on loan to Southampton in January.
The 26-year-old managed just one goal in nine Premier League appearances for the Reds but showed glimpses of quality with two goals in his first three appearances for the Saints.
Minamino's latest performance for his country now has him having scored 13 goals in 28 games.
Need a VPN? Or seeking to switch? Then support Tribal Football by clicking here to sign up with our official partners NordVPN. Not only will you receive the best VPN experience, but also great discounts by signing up via Tribal Football. Thanks for your support!