Rooks vs passed pawns

Rooks should go behind passed pawns! In rook endings this is a popular and helpful rule of thumb. After all, in most cases this is indeed where the rook should go. But unfortunately - or fortunately - there are exceptions.

Help me understand this Passed Pawn lesson? - Chess Forums

List of Chess Endgame Principles –

Rook (chess) - Wikipedia

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Endgame Expertise: Rook Endgames

Rook and Other Endgames - Chess Lessons

Passed pawn - Wikipedia

Rook and Knight Endgame –

F.A.Q. Chess Rules – Chess House

Charlotte Chess Center Blog: Endgame Analysis: Rook Endgames With an Extra Pawn

Pawn (chess) - Wikipedia

Chess Endgame Principles (for Beginners and Experts)

Passed Pawns in the Middlegame - TheChessWorld

What are some strategies in rook endgames (for ex. rook behind the passed pawn)? - Quora

A BRILLIANT Way to Stop 2 Passed Pawns with 1 Rook!