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

EGTB: win in 4 half-moves

# move score
1 Kb4 win in 3 half-moves
2 Kf5 win in 5 half-moves
3 Kg5 win in 5 half-moves
4 Bb1 win in 7 half-moves
5 Bc2 win in 7 half-moves
6 Kb2 win in 7 half-moves
7 Kb3 win in 7 half-moves
8 Kc2 win in 7 half-moves
9 Kd2 win in 7 half-moves
10 Kd3 win in 7 half-moves
11 Ke3 win in 7 half-moves
12 Kf3 win in 7 half-moves
13 Kg3 win in 7 half-moves
14 Kg4 win in 7 half-moves
15 Bd3 loss in 2 half-moves
16 Be4 loss in 2 half-moves
17 Bf5 loss in 2 half-moves
18 Bg6 loss in 2 half-moves
19 Bg8 loss in 2 half-moves
20 Kc4 loss in 2 half-moves
21 Kd4 loss in 2 half-moves
22 Ke4 loss in 2 half-moves
23 Ke5 loss in 2 half-moves