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

EGTB: win in 6 half-moves

# move score
1 Nb5 win in 5 half-moves
2 Ka6 draw
3 Ka8 draw
4 Kb6 draw
5 Kb8 draw
6 Nc6 draw
7 Nc8 draw
8 Kc6 loss in 2 half-moves
9 Kc7 loss in 2 half-moves
10 Kc8 loss in 2 half-moves