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

EGTB: draw

# move score
1 b4 draw
2 Ka6 draw
3 Kc8 draw
4 Kaa8 loss in 4 half-moves
5 Kab7 loss in 4 half-moves
6 Kb6 loss in 4 half-moves
7 Kbb7 loss in 4 half-moves
8 Kc7 loss in 4 half-moves
9 Kba8 loss in 3 half-moves