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

EGTB: draw

# move score
1 b3 draw
2 Ka5 draw
3 Kbb5 draw
4 Kcb5 draw
5 Kcc5 draw
6 Ka6 loss in 4 half-moves
7 Kd5 loss in 4 half-moves
8 Kd6 loss in 4 half-moves
9 Kbc5 loss in 3 half-moves
10 Ka7 loss in 2 half-moves
11 Kbb7 loss in 2 half-moves
12 Kbc7 loss in 2 half-moves
13 Kcb7 loss in 2 half-moves
14 Kcc7 loss in 2 half-moves
15 Kd7 loss in 2 half-moves