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

EGTB: draw

# move score
1 Kb5 draw
2 Kb7 draw
3 Kc5 loss in 48 half-moves
4 Kb6 loss in 40 half-moves
5 Kd6 loss in 40 half-moves
6 Kc7 loss in 38 half-moves
7 Kd7 loss in 36 half-moves
8 Kd5 loss in 2 half-moves