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

EGTB: win in 4 half-moves

# move score
1 Kh4 win in 3 half-moves
2 Kf2 loss in 50 half-moves
3 Kf3 loss in 50 half-moves
4 Kh3 loss in 50 half-moves
5 Kg2 loss in 48 half-moves
6 Kh2 loss in 44 half-moves
7 Kf4 loss in 2 half-moves
8 Kg4 loss in 2 half-moves