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

EGTB: win in 2 half-moves

# move score
1 Kb7 win in 1 half-moves
2 Kb6 loss in 44 half-moves
3 Ka6 loss in 36 half-moves
4 Ka8 loss in 36 half-moves
5 Kb8 loss in 36 half-moves