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 Ka7 win in 1 half-moves
3 Ka8 win in 1 half-moves
4 Kb8 win in 1 half-moves
5 Kbc7 win in 1 half-moves
6 Kc5 win in 1 half-moves
7 Kc8 win in 1 half-moves
8 Kcc7 win in 1 half-moves
9 Kd5 win in 1 half-moves
10 Nb3 loss in 2 half-moves
11 Nc4 loss in 2 half-moves
12 Ka6 loss in 1 half-moves
13 Kb5 loss in 1 half-moves
14 Kbb6 loss in 1 half-moves
15 Kcb6 loss in 1 half-moves
16 Kd6 loss in 1 half-moves
17 Kd7 loss in 1 half-moves