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

EGTB: win in 4 half-moves

# move score
1 Bb6 win in 3 half-moves
2 Bc7 win in 3 half-moves
3 Kb5 win in 3 half-moves
4 Kb7 win in 3 half-moves
5 Kc5 win in 3 half-moves
6 Kc7 win in 3 half-moves
7 Kd5 win in 3 half-moves
8 Kd6 win in 3 half-moves
9 Kd7 win in 3 half-moves
10 Ra7 win in 3 half-moves
11 Kb6 win in 5 half-moves
12 Bb4 draw
13 Bc3 draw
14 Bd2 draw
15 Bd8 draw
16 Be1 draw
17 Ra8 loss in 2 half-moves
18 Rb6 loss in 2 half-moves