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

EGTB: win in 6 half-moves

# move score
1 b3 win in 5 half-moves
2 Ka6 win in 9 half-moves
3 Ka7 win in 9 half-moves
4 Kb5 win in 9 half-moves
5 Kbb7 win in 9 half-moves
6 Kcc7 win in 9 half-moves
7 Kd7 win in 9 half-moves
8 Kd8 win in 9 half-moves
9 Nc6 win in 9 half-moves
10 Ka5 win in 13 half-moves
11 Nb5 win in 13 half-moves
12 Kcb7 win in 17 half-moves
13 Kb8 loss in 4 half-moves
14 Kbc7 loss in 4 half-moves
15 Kc5 loss in 4 half-moves
16 Kc6 loss in 4 half-moves
17 Nb3 loss in 2 half-moves
18 Nc2 loss in 2 half-moves
19 Ne2 loss in 2 half-moves
20 Ne6 loss in 2 half-moves
21 Nf3 loss in 2 half-moves
22 Nf5 loss in 2 half-moves