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

EGTB: win in 4 half-moves

# move score
1 Kbc6 win in 3 half-moves
2 Kc7 win in 3 half-moves
3 Kcc6 win in 3 half-moves
4 Kd6 win in 3 half-moves
5 Kb7 win in 5 half-moves
6 Kc4 win in 7 half-moves
7 Kd5 win in 7 half-moves
8 Kb4 win in 11 half-moves
9 Kbb5 win in 15 half-moves
10 Ka5 win in 17 half-moves
11 Ka6 win in 17 half-moves
12 Ka7 win in 17 half-moves
13 Kcb5 win in 17 half-moves
14 Kd4 loss in 2 half-moves