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 Kb8 draw
4 Kc3 draw
5 Kc4 draw
6 Kc5 draw
7 Kc6 draw
8 Kc8 draw
9 Kd5 draw
10 Kd6 draw
11 Kd7 draw
12 Kd8 draw
13 Kd3 loss in 2 half-moves
14 Ke3 loss in 2 half-moves
15 Ke4 loss in 2 half-moves
16 Ke5 loss in 2 half-moves