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

EGTB: win in 2 half-moves

# move score
1 Kh5 win in 1 half-moves
2 Kh6 win in 1 half-moves
3 Kh7 win in 1 half-moves
4 Rh8 win in 1 half-moves
5 Kg7 loss in 6 half-moves
6 Kg5 loss in 4 half-moves
7 Kf5 loss in 2 half-moves
8 Kf6 loss in 2 half-moves
9 Kf7 loss in 2 half-moves
10 Ra8 loss in 2 half-moves
11 Rb8 loss in 2 half-moves
12 Rc8 loss in 2 half-moves
13 Rd8 loss in 2 half-moves
14 Re8 loss in 2 half-moves
15 Rf8 loss in 2 half-moves
16 Rg7 loss in 2 half-moves