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

EGTB: win in 4 half-moves

# move score
1 Kg2 win in 3 half-moves
2 Kg3 win in 3 half-moves
3 Kg4 win in 3 half-moves
4 Bb1 draw
5 Bc2 draw
6 Ke3 draw
7 Bd3 loss in 2 half-moves
8 Be4 loss in 2 half-moves
9 Bf5 loss in 2 half-moves
10 Bg6 loss in 2 half-moves
11 Bg8 loss in 2 half-moves
12 Kb7 loss in 2 half-moves
13 Kb8 loss in 2 half-moves
14 Kc7 loss in 2 half-moves
15 Kd7 loss in 2 half-moves
16 Kd8 loss in 2 half-moves
17 Ke2 loss in 2 half-moves
18 Ke4 loss in 2 half-moves
19 Kf2 loss in 2 half-moves
20 Kf4 loss in 2 half-moves