Click on the third or sixth rank to set the en passant target square.

EGTB: win in 2 half-moves

# move score
1 Rg7 win in 1 half-moves
2 Kg4 draw
3 Kg6 draw
4 Kh4 draw
5 Kh5 draw
6 Kh6 draw
7 Ra8 draw
8 Rb8 draw
9 Rd8 draw
10 Re8 draw
11 Rf8 draw
12 Rg6 draw
13 Kf4 loss in 2 half-moves
14 Kf5 loss in 2 half-moves
15 Kf6 loss in 2 half-moves
16 Rc8 loss in 2 half-moves
17 Rh8 loss in 2 half-moves