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 Ra8 loss in 10 half-moves
6 Rg7 loss in 10 half-moves
7 Kg7 loss in 8 half-moves
8 Kg5 loss in 6 half-moves
9 Kf5 loss in 2 half-moves
10 Kf6 loss in 2 half-moves
11 Kf7 loss in 2 half-moves
12 Rb8 loss in 2 half-moves
13 Rc8 loss in 2 half-moves
14 Rd8 loss in 2 half-moves
15 Re8 loss in 2 half-moves
16 Rf8 loss in 2 half-moves