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 Kb6 win in 3 half-moves
4 Kc6 win in 3 half-moves
5 Kd6 win in 3 half-moves
6 Bb5 win in 7 half-moves
7 Bb7 win in 7 half-moves
8 Bc8 win in 7 half-moves
9 Be2 win in 7 half-moves
10 Bf1 win in 7 half-moves
11 Ka7 win in 7 half-moves
12 Kab7 win in 7 half-moves
13 Kab8 win in 7 half-moves
14 Kc8 win in 7 half-moves
15 Kcb7 win in 7 half-moves
16 Kcb8 win in 7 half-moves
17 Kd7 win in 7 half-moves
18 Kd8 win in 7 half-moves