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 draw
3 Kd6 draw
4 Kd7 draw
5 Kb7 loss in 32 half-moves
6 Kc7 loss in 30 half-moves
7 Kc5 loss in 2 half-moves
8 Kd5 loss in 2 half-moves