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

EGTB: win in 4 half-moves

# move score
1 Kf4 win in 3 half-moves
2 Kf5 loss in 50 half-moves
3 Kf6 loss in 50 half-moves
4 Ke6 loss in 48 half-moves
5 Kd5 loss in 46 half-moves
6 Kd6 loss in 42 half-moves
7 Kd4 loss in 2 half-moves
8 Ke4 loss in 2 half-moves