Since I had first turn, and he had everything in reserves, in by my end of turn 2, I had advanced way up, and awaited his arrival:
He fires his basilisks into the church area, hoping to kill many, but he got very unlucky with scatters, and his Russ was the only thing that caused any wounds.
I charged his Basilisks with a tactical squad, only took the battle cannon off the russ, despite 90% of my army shooting into it, and then he moved his infantry in.. but by now I was way too close. He had one turn of shooting, and was facing:
An insane amount of tank shocking with my rhinos mopped most what was left, so Ian conceded: