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

EGTB: draw

# move score
1 Ka7 draw
2 Kb7 draw
3 Kb8 draw
4 Kd4 draw
5 Kd5 draw
6 Kd6 draw
7 Ke4 draw
8 Ke6 draw
9 Kf6 draw
10 Kf4 loss in 2 half-moves
11 Kf5 loss in 2 half-moves