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

EGTB: win in 20 half-moves

# move score
1 Kb6 win in 19 half-moves
2 Kb7 loss in 12 half-moves
3 Kb8 loss in 12 half-moves
4 Ka6 loss in 4 half-moves
5 Ka8 loss in 4 half-moves
6 Nb3 loss in 2 half-moves
7 Nc2 loss in 1 half-moves