Inconsistency in study plans

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Soulbrother11

Anyone looked at the intermediate study plan for endings. Here

https://www.chess.com/article/view/study-plan-for-intermediate-players-the-endgame2

This exercise asks black to defend the position and get a draw

https://www.chess.com/drills/practice/rook-endgame-the-frontal-attack-3

but In this video Danny Rensh says the position is winning for white

https://www.chess.com/video/player/rook-endgames-beginner-to-master-part-6

Can anyone see the differences.  surely both cannot be right