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

EGTB: win in 20 half-moves

# move score
1 Kb7 win in 19 half-moves
2 Kf7 win in 19 half-moves
3 Kd8 win in 23 half-moves
4 Kg7 win in 23 half-moves
5 Kb8 win in 27 half-moves
6 Ke8 win in 27 half-moves
7 Kg8 win in 27 half-moves
8 Kc7 loss in 2 half-moves
9 Kd7 loss in 2 half-moves
10 Ke7 loss in 2 half-moves