Challenge: Bottom-Rank Rook Cannon Strike Combined with King Support Tactic - Can you solve it?

An endgame showcasing lightning cooperation between the rank-9 Rook on file 4 and the flank Cannon on file 2, exploiting direct King line-of-sight support on file 4. Despite heavy defensive pieces, Black lacks Advisors, leaving the Black King utterly vulnerable to a fatal bottom-line mating combination.

Challenge: Bottom-Rank Rook Cannon Strike Combined with King Support Tactic - Can you solve it?

Challenge: Bottom-Rank Rook Cannon Strike Combined with King Support Tactic - Can you solve it?