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 Kb6 draw
4 Kbb7 draw
5 Kbc8 draw
6 Kc6 draw
7 Kcc8 draw
8 Kd7 draw
9 Kd8 draw
10 Kcb7 loss in 12 half-moves
11 Kd6 loss in 2 half-moves