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

EGTB: win in 4 half-moves

# move score
1 Na4 win in 3 half-moves
2 Kd5 draw
3 Kd6 draw
4 Kd7 draw
5 Ke7 draw
6 Nc4 draw
7 Ke5 loss in 18 half-moves
8 Kf5 loss in 6 half-moves
9 Kf6 loss in 4 half-moves
10 Kf7 loss in 2 half-moves
11 Nd1 loss in 2 half-moves
12 Nd3 loss in 2 half-moves