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 Kc6 draw
4 Kc8 draw
5 Kd6 draw
6 Kd8 draw
7 Kb7 loss in 4 half-moves
8 Kb8 loss in 4 half-moves
9 Ke6 loss in 4 half-moves
10 Ke7 loss in 4 half-moves
11 Ke8 loss in 4 half-moves
12 Ka6 loss in 3 half-moves
13 Kc7 loss in 3 half-moves