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

EGTB: win in 10 half-moves

# move score
1 Kb7 win in 9 half-moves
2 Ka5 draw
3 Ka7 draw
4 Kb5 draw
5 Kb6 draw
6 Kh7 draw
7 Ra8 draw
8 Rb8 draw
9 Rc8 draw
10 Rd8 draw
11 Re8 draw
12 Rf8 draw
13 Rh7 draw
14 Kg5 loss in 2 half-moves
15 Kg6 loss in 2 half-moves
16 Kg7 loss in 2 half-moves
17 Kh5 loss in 2 half-moves
18 Rg8 loss in 2 half-moves