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

EGTB: win in 4 half-moves

# move score
1 Ke7 win in 3 half-moves
2 Bb8 draw
3 Bf4 draw
4 Ke8 draw
5 Kf7 draw
6 Kg7 draw
7 Kg8 draw
8 Bc7 loss in 2 half-moves
9 Bd6 loss in 2 half-moves
10 Be5 loss in 2 half-moves
11 Bg1 loss in 2 half-moves
12 Bg3 loss in 2 half-moves