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

EGTB: win in 4 half-moves

# move score
1 B4f5 win in 3 half-moves
2 B4h5 win in 3 half-moves
3 B6f5 win in 3 half-moves
4 B6h5 win in 3 half-moves
5 Bb1 win in 3 half-moves
6 Bc2 win in 3 half-moves
7 Bc8 win in 3 half-moves
8 Bd1 win in 3 half-moves
9 Bd3 win in 3 half-moves
10 Bd7 win in 3 half-moves
11 Be2 win in 3 half-moves
12 Be4 win in 3 half-moves
13 Be6 win in 3 half-moves
14 Be8 win in 3 half-moves
15 Bf3 win in 3 half-moves
16 Bf7 win in 3 half-moves
17 Bh3 win in 3 half-moves
18 Bh7 win in 3 half-moves