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

EGTB: win in 6 half-moves

# move score
1 Kb7 win in 5 half-moves
2 Kc7 win in 5 half-moves
3 Kd7 win in 5 half-moves
4 Bc6 win in 9 half-moves
5 Bf3 win in 9 half-moves
6 Ba8 win in 11 half-moves
7 Bb7 win in 11 half-moves
8 Bg2 win in 11 half-moves
9 Bh1 win in 11 half-moves
10 Be6 win in 17 half-moves
11 Kd8 win in 17 half-moves
12 Bf7 win in 19 half-moves
13 Kb8 win in 21 half-moves
14 Ba2 draw
15 Bc4 draw
16 Bg8 draw
17 Bb3 loss in 2 half-moves
18 Be4 loss in 2 half-moves