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

EGTB: win in 14 half-moves

# move score
1 K7b7 win in 13 half-moves
2 K7b8 win in 13 half-moves
3 K8b8 win in 13 half-moves
4 b5 loss in 4 half-moves
5 K7d7 loss in 4 half-moves
6 K7d8 loss in 4 half-moves
7 K8b7 loss in 4 half-moves
8 K8d7 loss in 4 half-moves
9 K8d8 loss in 4 half-moves
10 Kc6 loss in 4 half-moves
11 Kd6 loss in 4 half-moves
12 Nc5 loss in 3 half-moves
13 Nd8 loss in 3 half-moves
14 Nd4 loss in 2 half-moves
15 Nf4 loss in 2 half-moves
16 Nf8 loss in 2 half-moves
17 Ng5 loss in 2 half-moves
18 Ng7 loss in 2 half-moves