Originally posted by buffalobillIt seems to me that following the line you have suggested, white can at least draw through Rf7 followed by Rxf3.
Here's an interesting one in a tight endgame - R + 3 P vs R + 2 P. Black to move. Should Black play c1, pick up the f2 pawn and the win? What is White's best defence? Also from an actual game.
[fen]8/4R3/8/2r2kp1/7p/5p1P/5P2/6K1 b - - 0 1[/fen]