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

EGTB: win in 2 half-moves

# move score
1 Kb7 win in 1 half-moves
2 Kb8 draw
3 Kd8 draw
4 Kg8 draw
5 Kh7 draw
6 Ra1 draw
7 Ra2 draw
8 Ra3 draw
9 Ra7 draw
10 Rb8 draw
11 Kc7 loss in 2 half-moves
12 Kd7 loss in 2 half-moves
13 Kg7 loss in 2 half-moves
14 Ra4 loss in 2 half-moves
15 Ra5 loss in 2 half-moves
16 Ra6 loss in 2 half-moves