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 Kb7 draw
4 Kc7 draw
5 Ka5 loss in 4 half-moves
6 Kb5 loss in 4 half-moves
7 Kc8 loss in 3 half-moves
8 Kd7 loss in 3 half-moves
9 Ke7 loss in 2 half-moves
10 Ke8 loss in 2 half-moves