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

EGTB: draw

# move score
1 b5 draw
2 Kb5 draw
3 Kc7 draw
4 Ka5 loss in 4 half-moves
5 Kaa7 loss in 4 half-moves
6 Kab7 loss in 4 half-moves
7 Ka8 loss in 3 half-moves
8 Kba7 loss in 3 half-moves
9 Kbb7 loss in 3 half-moves
10 Kc8 loss in 3 half-moves