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

EGTB: draw

# move score
1 b5 draw
2 Ka8 draw
3 Kab7 draw
4 Kb5 draw
5 Kb8 draw
6 Kc5 draw
7 Ka6 loss in 3 half-moves
8 Kc7 loss in 3 half-moves
9 Kcb7 loss in 3 half-moves
10 Kd5 loss in 2 half-moves
11 Kd6 loss in 2 half-moves
12 Kd7 loss in 2 half-moves