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

EGTB: win in 2 half-moves

# move score
1 Kb6 win in 1 half-moves
2 Kd8 win in 1 half-moves
3 Kc6 loss in 30 half-moves
4 Kd6 loss in 30 half-moves
5 Kb7 loss in 28 half-moves
6 Kb8 loss in 18 half-moves
7 Kc8 loss in 18 half-moves
8 Kd7 loss in 18 half-moves