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

EGTB: draw

# move score
1 Kb1 draw
2 Kb3 draw
3 Kc1 draw
4 Kc3 draw
5 Kd1 draw
6 Kd2 draw
7 Kd3 draw
8 Ke1 draw
9 Ke2 draw
10 Kf2 draw
11 Kg1 draw
12 Kg2 draw
13 Kb2 loss in 2 half-moves