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

EGTB: draw

# move score
1 Kb6 draw
2 Kc6 draw
3 Kc7 loss in 56 half-moves
4 Ka6 loss in 52 half-moves
5 Ka7 loss in 42 half-moves
6 Ka8 loss in 36 half-moves
7 Kb8 loss in 36 half-moves
8 Kc8 loss in 36 half-moves