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 Kc7 win in 1 half-moves
3 Kd7 win in 1 half-moves
4 Ra1 win in 1 half-moves
5 Ra5 win in 1 half-moves
6 Ra7 win in 1 half-moves
7 Kb8 loss in 2 half-moves
8 Kd8 loss in 2 half-moves
9 Ra2 loss in 2 half-moves
10 Ra3 loss in 2 half-moves
11 Ra4 loss in 2 half-moves
12 Ra6 loss in 2 half-moves
13 Rb8 loss in 2 half-moves