FEN
[Event "Rook Mate Arena"]
[Site "https://lichess.org/WNN1erDU"]
[Date "2021.10.05"]
[White "karrthicsundhar"]
[Black "advaita10"]
[Result "1-0"]
[UTCDate "2021.10.05"]
[UTCTime "14:46:35"]
[WhiteElo "642"]
[BlackElo "787"]
[Variant "From Position"]
[TimeControl "60+0"]
[ECO "?"]
[Opening "?"]
[Termination "Normal"]
[FEN "8/6P1/7k/8/6K1/8/8/8 w - - 0 1"]
[SetUp "1"]
[Annotator "lichess.org"]
1. g8=R Kh7 2. Rg5 Kh6 { Black offers draw } 3. Kf5 Kh7 4. Kf6 Kh6 5. Kf5 Kh7 6. Rg6 Kh8 7. Kf6 Kh7 8. Kf7 Kh8 9. Rh6# { White wins by checkmate. } 1-0