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

EGTB: win in 12 half-moves

# move score
1 Kb6 win in 11 half-moves
2 Kb7 win in 11 half-moves
3 Ka6 win in 17 half-moves
4 Ka8 win in 19 half-moves
5 Kb8 loss in 4 half-moves