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 Nf6 win in 1 half-moves
3 Ka6 loss in 2 half-moves
4 Ka7 loss in 2 half-moves
5 Ka8 loss in 2 half-moves
6 Kb6 loss in 2 half-moves
7 Kb8 loss in 2 half-moves
8 Kbc6 loss in 2 half-moves
9 Kbc7 loss in 2 half-moves
10 Kbc8 loss in 2 half-moves
11 Kd6 loss in 2 half-moves
12 Kd8 loss in 2 half-moves
13 Kdc6 loss in 2 half-moves
14 Kdc7 loss in 2 half-moves
15 Kdc8 loss in 2 half-moves
16 Ke6 loss in 2 half-moves
17 Ke7 loss in 2 half-moves
18 Nc7 loss in 2 half-moves
19 Nd6 loss in 2 half-moves
20 Ng7 loss in 2 half-moves