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

EGTB: win in 4 half-moves

# move score
1 Bc4 win in 3 half-moves
2 Bd3 win in 3 half-moves
3 Bb5 win in 7 half-moves
4 Bb7 draw
5 Bc8 draw
6 Be2 draw
7 Bf1 draw