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

EGTB: draw

# move score
1 Kb7 draw
2 Kb8 draw
3 Kc3 draw
4 Kc4 draw
5 Kc5 draw
6 Kc7 draw
7 Kd3 draw
8 Kd7 draw
9 Kd8 draw
10 Ke3 draw
11 Ke4 draw
12 Kd5 loss in 2 half-moves
13 Ke5 loss in 2 half-moves