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 Kh7 win in 1 half-moves
3 Ke8 loss in 2 half-moves
4 Kh8 loss in 2 half-moves
5 Kff7 loss in 1 half-moves
6 Kfg7 loss in 1 half-moves
7 Kgf7 loss in 1 half-moves
8 Kgg7 loss in 1 half-moves