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

EGTB: draw

# move score
1 Kb1 draw
2 Kc2 draw
3 Kd1 draw
4 Kd2 draw
5 Ke2 draw
6 Ke3 draw
7 Ke4 draw
8 Kf2 draw
9 Kf4 draw
10 Kg2 draw
11 Kg3 draw
12 Kg4 draw
13 Kb2 loss in 2 half-moves