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 Kc4 draw
4 Kc6 draw
5 Kd4 draw
6 Kd5 draw
7 Kd6 draw
8 Ke2 draw
9 Ke3 draw
10 Ke4 draw
11 Kf2 draw
12 Kf4 draw
13 Kg2 draw
14 Kg3 draw
15 Kg4 draw
16 Kb4 loss in 2 half-moves