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

EGTB: draw

# move score
1 Kb5 draw
2 Kc5 draw
3 Kd5 draw
4 Kd6 draw
5 Kd7 draw
6 Kb6 loss in 54 half-moves
7 Kc7 loss in 48 half-moves
8 Kb7 loss in 32 half-moves