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