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

EGTB: win in 10 half-moves

# move score
1 Kb7 win in 9 half-moves
2 Kb8 draw
3 Kc1 draw
4 Kc2 draw
5 Kc3 draw
6 Kc7 draw
7 Kd1 draw
8 Kd3 draw
9 Kd8 draw
10 Ke1 draw
11 Ke2 draw
12 Ke3 draw
13 Kd7 loss in 2 half-moves