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

EGTB: draw

# move score
1 b4 draw
2 Ka7 draw
3 Kc7 draw
4 Kc8 draw
5 Kd7 draw
6 Kb6 loss in 4 half-moves
7 Kb7 loss in 4 half-moves
8 Ka5 loss in 3 half-moves
9 Ke7 loss in 2 half-moves
10 Ke8 loss in 2 half-moves