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

EGTB: win in 4 half-moves

# move score
1 Kd7 win in 3 half-moves
2 Kd8 win in 3 half-moves
3 Ke7 win in 3 half-moves
4 Bb8 draw
5 Bc7 draw
6 Bd6 draw
7 Bf4 draw
8 Bg1 draw
9 Bg3 draw
10 Kf7 draw
11 Kf8 draw
12 Be5 loss in 2 half-moves