Actually, although this position doesn't occur too frequently, it is the position everyone strives to attain in a typical rook pawn endgame. I would recommend that you try / learn it because it may come in handy and increase your likelihood of a win in a rook pawn endgame.
As someone said before, to me it occurs quite often actually since I know how to win it, and therefore I try and aim for this position on the board.
Actually, although this position doesn't occur too frequently, it is the position everyone strives to attain in a typical rook pawn endgame. I would recommend that you try / learn it because it may come in handy and increase your likelihood of a win in a rook pawn endgame.