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

EGTB: win in 4 half-moves

# move score
1 Kfg2 win in 3 half-moves
2 Kg1 draw
3 Kgf2 draw
4 Kgg2 draw
5 Kh2 draw
6 Kh4 draw
7 Ke1 loss in 2 half-moves
8 Ke2 loss in 2 half-moves
9 Kf3 loss in 2 half-moves
10 Kff2 loss in 2 half-moves
11 Kh3 loss in 2 half-moves
12 Kf4 loss in 1 half-moves
13 Kg4 loss in 1 half-moves