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

EGTB: win in 4 half-moves

# move score
1 Bf7 win in 3 half-moves
2 Bg6 win in 5 half-moves
3 Kf4 win in 7 half-moves
4 Kf5 win in 7 half-moves
5 Kgg3 win in 7 half-moves
6 Kgg5 win in 7 half-moves
7 Kgh3 win in 7 half-moves
8 Kf3 win in 9 half-moves
9 Khg3 win in 9 half-moves
10 Khg5 win in 9 half-moves
11 Khh3 win in 9 half-moves
12 Be8 loss in 2 half-moves