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 Kbb8 draw
4 Kcc7 draw
5 Kd8 draw
6 Ka8 loss in 4 half-moves
7 Kbc7 loss in 4 half-moves
8 Kc6 loss in 4 half-moves
9 Kcb8 loss in 4 half-moves
10 Kd7 loss in 4 half-moves
11 Ka6 loss in 3 half-moves