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

EGTB: win in 4 half-moves

# move score
1 Bc8 win in 3 half-moves
2 Kd5 win in 3 half-moves
3 Bb5 win in 7 half-moves
4 Bb7 win in 7 half-moves
5 Kb3 win in 7 half-moves
6 Kb4 win in 7 half-moves
7 Kb5 win in 7 half-moves
8 Kc3 win in 7 half-moves
9 Kc5 win in 7 half-moves
10 Kd3 win in 7 half-moves
11 Kd4 win in 7 half-moves