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 Ka6 draw
4 Kc6 draw
5 Ka7 loss in 50 half-moves
6 Kc7 loss in 50 half-moves
7 Ka8 loss in 44 half-moves
8 Kc8 loss in 44 half-moves