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 Kc7 loss in 28 half-moves
3 Kc8 loss in 6 half-moves
4 Kc6 loss in 2 half-moves
5 Kd6 loss in 2 half-moves
6 Kd8 loss in 2 half-moves
7 Nc4 loss in 2 half-moves
8 Nd1 loss in 2 half-moves
9 Nd3 loss in 2 half-moves
10 Ke6 loss in 1 half-moves
11 Ke7 loss in 1 half-moves
12 Ke8 loss in 1 half-moves