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

EGTB: draw

# move score
1 Kb6 draw
2 Kb7 draw
3 Kc7 draw
4 Kd6 draw
5 Kd8 draw
6 Ke7 draw
7 Ked7 draw
8 Kf7 draw
9 Kf8 draw
10 Kb5 loss in 2 half-moves
11 Kc5 loss in 2 half-moves
12 Kcd7 loss in 2 half-moves
13 Kd5 loss in 2 half-moves