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 Kd7 loss in 36 half-moves
3 Kd8 loss in 36 half-moves
4 Kc8 loss in 12 half-moves
5 Kb8 loss in 10 half-moves
6 Kb7 loss in 2 half-moves
7 Kc6 loss in 2 half-moves
8 Kd6 loss in 2 half-moves