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

EGTB: draw

# move score
1 b3 draw
2 Kaa8 loss in 4 half-moves
3 Kab7 loss in 4 half-moves
4 Kbb7 loss in 4 half-moves
5 Kba8 loss in 3 half-moves
6 Ka6 loss in 2 half-moves
7 Kb6 loss in 2 half-moves
8 Kc7 loss in 2 half-moves
9 Kc8 loss in 2 half-moves