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 Kd7 loss in 34 half-moves
4 Kb6 loss in 32 half-moves
5 Kc7 loss in 32 half-moves
6 Kd6 loss in 30 half-moves
7 Kd5 loss in 28 half-moves
8 Kb7 loss in 2 half-moves