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

EGTB: win in 4 half-moves

# move score
1 Kbc7 win in 3 half-moves
2 Kc8 draw
3 Kcb7 draw
4 Kcc7 draw
5 Ka7 loss in 2 half-moves
6 Ka8 loss in 2 half-moves
7 Kb6 loss in 2 half-moves
8 Kbb7 loss in 2 half-moves
9 Kd6 loss in 2 half-moves
10 Kd7 loss in 2 half-moves
11 Kb5 loss in 1 half-moves
12 Kc5 loss in 1 half-moves
13 Kd5 loss in 1 half-moves