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

EGTB: win in 2 half-moves

# move score
1 Kb5 win in 1 half-moves
2 Kb6 win in 1 half-moves
3 Kc5 win in 1 half-moves
4 Kd5 win in 1 half-moves
5 Kb7 draw
6 Kc7 draw
7 Kd6 draw
8 Kd7 loss in 16 half-moves