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

EGTB: win in 2 half-moves

# move score
1 Ke7 win in 1 half-moves
2 Kf7 win in 1 half-moves
3 Kg7 win in 1 half-moves
4 Kg8 loss in 16 half-moves
5 Ke8 loss in 2 half-moves