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

EGTB: win in 18 half-moves

# move score
1 Kff7 win in 17 half-moves
2 Kg7 win in 17 half-moves
3 Kd8 draw
4 Kee7 draw
5 Kef7 draw
6 Kg8 draw
7 Kfe7 loss in 4 half-moves
8 Kd7 loss in 2 half-moves