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

EGTB: win in 4 half-moves

# move score
1 Nf1 win in 3 half-moves
2 Kc1 loss in 6 half-moves
3 Ke1 loss in 6 half-moves
4 Kc2 loss in 2 half-moves
5 Ke2 loss in 2 half-moves
6 Nb1 loss in 2 half-moves
7 Nb3 loss in 2 half-moves
8 Nc4 loss in 2 half-moves
9 Ne4 loss in 2 half-moves
10 Nf3 loss in 2 half-moves