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

EGTB: win in 6 half-moves

# move score
1 Na4 win in 5 half-moves
2 Kc7 draw
3 Kc8 loss in 16 half-moves
4 Kd7 loss in 14 half-moves
5 Ke7 loss in 10 half-moves
6 Ke8 loss in 4 half-moves
7 Nc4 loss in 2 half-moves
8 Nd1 loss in 2 half-moves
9 Nd3 loss in 2 half-moves