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

EGTB: win in 2 half-moves

# move score
1 b3 win in 1 half-moves
2 Ka5 loss in 2 half-moves
3 Ka7 loss in 2 half-moves
4 Kb5 loss in 2 half-moves
5 Kb6 loss in 2 half-moves
6 Kb7 loss in 2 half-moves
7 Kd5 loss in 2 half-moves
8 Kd6 loss in 2 half-moves
9 Kd7 loss in 2 half-moves
10 Ke5 loss in 2 half-moves
11 Ke7 loss in 2 half-moves
12 Kf5 loss in 2 half-moves
13 Kf6 loss in 2 half-moves
14 Kf7 loss in 2 half-moves
15 Nb6 loss in 2 half-moves
16 Nc7 loss in 2 half-moves