Despite defeating his army, I found myself over 20-30 SCVs short with a minuscule army at best (rest was out clearing bases and was became negligible soon after). Macroing like a madman using some saved money in my bank, I managed to muster up a large enough army that helped me both re-establish my economy and continue some form of aggression.
While my opponent's main focus was on my re-established third base and the constant on-the-move army that kept taking pot shots at his various bases, I snuck in some ghosts past his watchful eyes and wrecked his economy to oblivion:
And with that, the game was sealed in my favour! Yet another achievement unlocked!