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

EGTB: win in 4 half-moves

# move score
1 Kb8 win in 3 half-moves
2 Kc8 win in 3 half-moves
3 Kcb6 win in 3 half-moves
4 Kcc6 win in 3 half-moves
5 Kd6 win in 3 half-moves
6 Kd8 win in 3 half-moves
7 Rb6 win in 3 half-moves
8 Rb8 win in 3 half-moves
9 Kb4 win in 5 half-moves
10 Kd7 win in 7 half-moves
11 Ra7 win in 9 half-moves
12 Kbb6 draw
13 Ka4 loss in 2 half-moves
14 Ka5 loss in 2 half-moves
15 Ka6 loss in 2 half-moves
16 Kbc6 loss in 2 half-moves
17 Kc4 loss in 2 half-moves
18 Kc5 loss in 2 half-moves