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

EGTB: draw

# move score
1 Ka7 draw
2 Ka8 draw
3 Kb1 draw
4 Kb2 draw
5 Kc8 draw
6 Kd1 draw
7 Kb7 loss in 2 half-moves
8 Kc2 loss in 2 half-moves
9 Kc7 loss in 2 half-moves
10 Kd2 loss in 2 half-moves