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

EGTB: win in 4 half-moves

# move score
1 Kg4 win in 3 half-moves
2 Kd5 draw
3 Kd6 draw
4 Ke6 draw
5 Kf5 draw
6 Kf6 draw
7 Kg5 draw
8 Kg6 draw
9 Kh4 draw
10 Kh6 draw
11 Kd4 loss in 2 half-moves
12 Ke4 loss in 2 half-moves
13 Kf4 loss in 2 half-moves