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 Ke8 win in 1 half-moves
3 Kf7 draw
4 Kg7 draw
5 Kg8 draw
6 b5 loss in 4 half-moves