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

EGTB: win in 2 half-moves

# move score
1 b4 win in 1 half-moves
2 K7c7 loss in 2 half-moves
3 K7c8 loss in 2 half-moves
4 K8c7 loss in 2 half-moves
5 K8c8 loss in 2 half-moves
6 Kc6 loss in 2 half-moves
7 Kd6 loss in 2 half-moves
8 Ng6 loss in 2 half-moves
9 Nh7 loss in 2 half-moves
10 K7e7 loss in 1 half-moves
11 K7e8 loss in 1 half-moves
12 K8e7 loss in 1 half-moves
13 K8e8 loss in 1 half-moves
14 Ke6 loss in 1 half-moves
15 Ne6 loss in 1 half-moves