Ryan Watson scored two in two minutes to continue his sensational form while Fraser Horsfall's close-range header and a fourth by Sam Hoskins - or Ryan Edmondson - put the gloss on a highly impressive victory. Here are our player ratings from the PTS....
9. Sam Hoskins
The fourth goal may well be taken away from him but that shouldn't detract from wonderful composure and technique to lift over MacGillivray. He was a constant threat in the first-half, one piece of stylish footwork was particularly memorable... 8.5
10. Mickel Miller
Involved in each of the first three goals. Won the free-kick for the first and then delivered two pinpoint corners for Watson and Horsfall to convert. His set-pieces caused problems all day, and didn't shirk the other side of the game... 8.5
11. Ryan Edmondson
Might end up being credited with the fourth goal and it was the very least he deserved for another relentless running display up top. His runs and movement troubled Pompey and set the platform for Town's dominant first-half... 9 CHRON STAR MAN
12. Michael Harriman
His introduction - only his second appearance under Brady - just tightened things up and helped shut the door on the visitors... 7