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

EGTB: win in 4 half-moves

# move score
1 Kg5 win in 3 half-moves
2 Kg6 win in 3 half-moves
3 Kg7 win in 3 half-moves
4 Kh5 win in 5 half-moves
5 Bc4 win in 7 half-moves
6 Bc8 win in 7 half-moves
7 Be2 win in 13 half-moves
8 Bb5 draw
9 Bb7 draw
10 Bf1 draw
11 Kh7 draw
12 Bd3 loss in 2 half-moves