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

EGTB: draw

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