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

EGTB: win in 4 half-moves

# move score
1 Nb6 win in 3 half-moves
2 Kc2 loss in 6 half-moves
3 Ke1 loss in 2 half-moves
4 Ke2 loss in 2 half-moves
5 Na7 loss in 2 half-moves
6 Nd6 loss in 2 half-moves
7 Kc1 loss in 1 half-moves
8 Kd2 loss in 1 half-moves
9 Ne7 loss in 1 half-moves