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

EGTB: win in 4 half-moves

# move score
1 Bd1 win in 3 half-moves
2 Be8 win in 3 half-moves
3 Bb3 draw
4 Bb5 draw
5 Bc2 draw
6 Bc6 draw
7 Bd7 draw
8 Kg1 draw
9 Kg2 loss in 2 half-moves
10 Kh2 loss in 2 half-moves