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

EGTB: draw

# move score
1 Kb4 draw
2 Kb5 draw
3 Kc1 draw
4 Kc2 draw
5 Kc5 draw
6 Kd2 draw
7 Kd3 draw
8 Kd4 draw
9 Kd5 draw
10 Ke1 draw
11 Ke2 draw
12 Kb3 loss in 2 half-moves
13 Kc3 loss in 2 half-moves