Mate in two vs White to move

Start Analysis Engine to see Solution No. 1118 Tactic: Chess, Combination | Cleanchess.com | 1 Jul 2017

1011114

[Event "Start Analysis Engine to see Solution No. 1118 Tactic: Chess, Combination"] [Site "Cleanchess.com"] [Date "2017.07.01"] [Round "0"] [White "Mate in two"] [Black "White to move"] [FEN "7r/8/6p1/6p1/5pPk/5P1p/5P1K/6R1 w - - 0 1"] 1.Rg3 fxg3+ ( 1...Ra8 ) *

http://chessmicrobase.com/microbases/11078/games/1011114?token=dg7jlcvr