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

EGTB: win in 4 half-moves

# move score
1 Bg2 win in 3 half-moves
2 Kd5 win in 3 half-moves
3 Kd6 win in 3 half-moves
4 Kd7 win in 3 half-moves
5 Ke5 win in 3 half-moves
6 Kee7 win in 3 half-moves
7 Ke8 win in 5 half-moves
8 Kef6 win in 5 half-moves
9 Kf5 win in 5 half-moves
10 Kf8 win in 5 half-moves
11 Kfe7 win in 5 half-moves
12 Kff6 win in 5 half-moves
13 Kg6 win in 5 half-moves
14 Kg7 win in 5 half-moves
15 Kg8 win in 5 half-moves
16 Bf1 loss in 2 half-moves
17 Bf5 loss in 2 half-moves
18 Bg4 loss in 2 half-moves