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 Kb5 draw
3 Kb6 draw
4 Kb7 draw
5 Kc7 draw
6 Nc4 draw
7 Kd5 loss in 12 half-moves
8 Kd7 loss in 2 half-moves
9 Nd1 loss in 2 half-moves
10 Nd3 loss in 2 half-moves
11 Kc5 loss in 1 half-moves
12 Kd6 loss in 1 half-moves