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

EGTB: win in 4 half-moves

# move score
1 Bf4 win in 3 half-moves
2 Bb8 draw
3 Bc7 draw
4 Be1 draw
5 Bf2 draw
6 Bh2 draw
7 Bh4 draw
8 Nh3 draw
9 Bd6 loss in 2 half-moves
10 Be5 loss in 2 half-moves
11 Ne2 loss in 2 half-moves
12 Nf3 loss in 2 half-moves