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

EGTB: win in 4 half-moves

# move score
1 Kb7 win in 3 half-moves
2 Kb8 win in 3 half-moves
3 Ka6 loss in 26 half-moves
4 Ka8 loss in 8 half-moves
5 Kb6 loss in 2 half-moves