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

EGTB: win in 2 half-moves

# move score
1 Kf7 win in 1 half-moves
2 Ke7 loss in 38 half-moves
3 Kg7 loss in 36 half-moves
4 Ke8 loss in 34 half-moves
5 Kg8 loss in 34 half-moves