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

EGTB: win in 2 half-moves

# move score
1 Kb7 win in 1 half-moves
2 Kd5 win in 1 half-moves
3 Kd6 win in 1 half-moves
4 Kd7 win in 1 half-moves
5 b5 loss in 1 half-moves
6 Ka3 loss in 1 half-moves
7 Ka4 loss in 1 half-moves
8 Ka5 loss in 1 half-moves
9 Kb3 loss in 1 half-moves
10 Kbb5 loss in 1 half-moves
11 Kbc5 loss in 1 half-moves
12 Kc3 loss in 1 half-moves
13 Kc4 loss in 1 half-moves
14 Kc7 loss in 1 half-moves
15 Kcb5 loss in 1 half-moves
16 Kcc5 loss in 1 half-moves