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

EGTB: win in 6 half-moves

# move score
1 Kf7 win in 5 half-moves
2 Kf8 win in 5 half-moves
3 b6 draw
4 Kg7 loss in 8 half-moves
5 Kh7 loss in 2 half-moves
6 Kh8 loss in 2 half-moves