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

EGTB: win in 4 half-moves

# move score
1 Kcb5 win in 3 half-moves
2 Ka6 draw
3 Ka7 draw
4 Kbb7 draw
5 Kbc7 draw
6 Kcb7 draw
7 Kcc7 draw
8 Kd6 draw
9 Kd7 draw
10 Ka5 loss in 2 half-moves
11 Kbb5 loss in 2 half-moves
12 Kbc5 loss in 2 half-moves
13 Kcc5 loss in 2 half-moves
14 Kd5 loss in 2 half-moves