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

EGTB: win in 4 half-moves

# move score
1 Na6 win in 3 half-moves
2 Kb6 loss in 12 half-moves
3 Kb7 loss in 12 half-moves
4 Na8 loss in 10 half-moves
5 Kd7 loss in 4 half-moves
6 Kb5 loss in 2 half-moves
7 Kc5 loss in 2 half-moves
8 Kd5 loss in 2 half-moves
9 Kd6 loss in 2 half-moves
10 Nb5 loss in 2 half-moves
11 Nd5 loss in 2 half-moves
12 Ne6 loss in 2 half-moves
13 Ne8 loss in 2 half-moves