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

EGTB: draw

# move score
1 Kb5 draw
2 Kb6 draw
3 Kb7 draw
4 Kb8 draw
5 Ka6 loss in 4 half-moves
6 Ka7 loss in 4 half-moves
7 Ka4 loss in 2 half-moves
8 Kb4 loss in 2 half-moves