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

EGTB: win in 4 half-moves

# move score
1 Be1 win in 3 half-moves
2 Bd8 draw
3 Bf6 draw
4 Bg3 draw
5 Bg5 draw
6 Ke1 draw
7 Kf2 draw
8 Kg1 draw
9 Kg2 draw
10 Be7 loss in 2 half-moves
11 Bf2 loss in 2 half-moves
12 Ke2 loss in 2 half-moves