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

EGTB: draw

# move score
1 K8b8 draw
2 Ka6 draw
3 K8b7 loss in 4 half-moves
4 K7b7 loss in 2 half-moves
5 K7b8 loss in 2 half-moves
6 Kb6 loss in 2 half-moves