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

EGTB: win in 4 half-moves

# move score
1 Kb6 win in 3 half-moves
2 Ka6 draw
3 Kb5 draw
4 Nb6 draw
5 Kb4 loss in 42 half-moves
6 Nc3 loss in 26 half-moves
7 Nc5 loss in 16 half-moves
8 Nb2 loss in 10 half-moves