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 Kd4 loss in 32 half-moves
3 Ke3 loss in 32 half-moves
4 Kf3 loss in 32 half-moves
5 Kd3 loss in 28 half-moves
6 Kd5 loss in 2 half-moves
7 Ke5 loss in 2 half-moves
8 Kf5 loss in 2 half-moves