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

EGTB: win in 4 half-moves

# move score
1 Kc8 win in 3 half-moves
2 Kcc6 win in 3 half-moves
3 Kd8 win in 3 half-moves
4 Rb8 win in 3 half-moves
5 Kb8 win in 5 half-moves
6 Kd6 win in 5 half-moves
7 Kd7 win in 5 half-moves
8 Kb5 draw
9 Ka5 loss in 2 half-moves
10 Ka6 loss in 2 half-moves
11 Ka7 loss in 2 half-moves
12 Kbc6 loss in 2 half-moves
13 Kc5 loss in 2 half-moves
14 Ra7 loss in 2 half-moves