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 Kb8 win in 1 half-moves
3 Kc6 loss in 46 half-moves
4 Kc7 loss in 46 half-moves
5 Kc8 loss in 44 half-moves
6 Ka6 loss in 42 half-moves
7 Ka7 loss in 42 half-moves
8 Ka8 loss in 40 half-moves