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

EGTB: win in 2 half-moves

# move score
1 Kd5 win in 1 half-moves
2 b6 win in 7 half-moves
3 Kc7 win in 7 half-moves
4 Kd7 win in 7 half-moves
5 Ke5 win in 7 half-moves
6 Ke6 win in 7 half-moves
7 Ke7 win in 7 half-moves
8 Kc5 loss in 2 half-moves
9 Kc6 loss in 1 half-moves