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 Ka4 win in 7 half-moves
10 Ka5 win in 7 half-moves
11 Ka6 win in 7 half-moves
12 Kbc6 win in 7 half-moves
13 Kc4 win in 7 half-moves
14 Kc5 win in 7 half-moves
15 Ra7 win in 7 half-moves
16 Kb4 win in 11 half-moves
17 Kd7 win in 11 half-moves
18 Kbb6 draw