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 K5d6 loss in 2 half-moves
3 K5e6 loss in 2 half-moves
4 K5f6 loss in 2 half-moves
5 K7d6 loss in 2 half-moves
6 K7e6 loss in 2 half-moves
7 K7f6 loss in 2 half-moves
8 Kd5 loss in 2 half-moves
9 Kd7 loss in 2 half-moves
10 Kd8 loss in 2 half-moves
11 Ke8 loss in 2 half-moves
12 Kf5 loss in 2 half-moves
13 Kf7 loss in 2 half-moves
14 Kf8 loss in 2 half-moves
15 Kd4 loss in 1 half-moves
16 Ke4 loss in 1 half-moves
17 Kf4 loss in 1 half-moves