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 Kb8 draw
4 Kd6 draw
5 Kd7 draw
6 Kd8 draw
7 Rb8 draw
8 Ka5 loss in 2 half-moves
9 Ka6 loss in 2 half-moves
10 Ka7 loss in 2 half-moves
11 Kb5 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