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

EGTB: draw

# move score
1 Ka7 draw
2 Kab7 draw
3 Kc7 draw
4 Kb8 loss in 3 half-moves
5 Kcb7 loss in 3 half-moves
6 Kd7 loss in 3 half-moves
7 Kd8 loss in 3 half-moves
8 b5 loss in 2 half-moves
9 Ka5 loss in 2 half-moves
10 Kb5 loss in 2 half-moves