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 Kc5 draw
5 Kcc7 draw
6 Kd5 draw
7 Kdc7 draw
8 Kdd7 draw
9 Ke7 draw
10 Ke8 draw
11 Kc8 loss in 4 half-moves
12 Kcd7 loss in 4 half-moves
13 Kd6 loss in 4 half-moves