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

EGTB: win in 4 half-moves

# move score
1 Kf3 win in 3 half-moves
2 Kd3 loss in 6 half-moves
3 Kd2 loss in 2 half-moves
4 Kd4 loss in 2 half-moves
5 Ke2 loss in 2 half-moves
6 Ke4 loss in 2 half-moves
7 Kf2 loss in 2 half-moves
8 Kf4 loss in 2 half-moves