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 K6a7 win in 1 half-moves
3 K6b7 win in 1 half-moves
4 K6c7 win in 1 half-moves
5 K8a7 loss in 1 half-moves
6 K8b7 loss in 1 half-moves
7 K8c7 loss in 1 half-moves
8 Ka5 loss in 1 half-moves
9 Ka6 loss in 1 half-moves
10 Ka8 loss in 1 half-moves
11 Kc5 loss in 1 half-moves
12 Kc6 loss in 1 half-moves
13 Kc8 loss in 1 half-moves
14 Nf4 loss in 1 half-moves
15 Nf6 loss in 1 half-moves
16 Ng3 loss in 1 half-moves
17 Ng7 loss in 1 half-moves