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

EGTB: win in 4 half-moves

# move score
1 Kg3 win in 3 half-moves
2 Bc1 draw
3 Bd2 draw
4 Be3 draw
5 Bf4 draw
6 Bf8 draw
7 Bg5 draw
8 Bg7 draw
9 Kg1 draw
10 Kg2 draw
11 Kh3 draw
12 Kh1 loss in 4 half-moves