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

EGTB: win in 6 half-moves

# move score
1 Kb8 win in 5 half-moves
2 Kd7 win in 7 half-moves
3 Kd8 draw
4 Kf6 draw
5 Kf7 draw
6 Kf8 draw
7 Kg6 draw
8 Kg8 draw
9 Kh6 draw
10 Kh7 draw
11 Kh8 draw
12 Rb8 draw
13 Kb7 loss in 2 half-moves
14 Kc7 loss in 2 half-moves
15 Ra1 loss in 2 half-moves
16 Ra2 loss in 2 half-moves
17 Ra3 loss in 2 half-moves
18 Ra4 loss in 2 half-moves
19 Ra5 loss in 2 half-moves
20 Ra6 loss in 2 half-moves
21 Ra7 loss in 2 half-moves