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 Kc6 draw
5 Kc8 draw
6 Kd3 draw
7 Kd6 draw
8 Kd7 draw
9 Kd8 draw
10 Ke4 draw
11 Kf3 draw
12 Kf4 draw
13 Kd2 loss in 2 half-moves
14 Kd4 loss in 2 half-moves
15 Ke2 loss in 2 half-moves
16 Kf2 loss in 2 half-moves