Challenge: Rook and Pawn Checkmate Tactics Supported by King File Control - Can you solve it?

A dramatic endgame scenario where Red controls the vital 4th file with seamless coordination between Rook, Pawn, and King file support. Despite having a Rook and Elephant, Black's complete lack of Advisors leaves their palace defenseless against an inescapable checkmate.

Challenge: Rook and Pawn Checkmate Tactics Supported by King File Control - Can you solve it?

Challenge: Rook and Pawn Checkmate Tactics Supported by King File Control - Can you solve it?