Challenge: Red General Wins: Black Rook Trapped by Empty Cannon, Black Pawn Breaks Through - Can you solve it?

An intriguing chess position where the Black Rook on 6-10 is trapped by the Red Cannon on 2-2 in an empty formation. The Black Pawn on 6-2 breaks through to save the pieces. The Black General must weigh between defense and counterattack.