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

EGTB: win in 4 half-moves

# move score
1 Kb6 win in 3 half-moves
2 Nd6 loss in 30 half-moves
3 Kb7 loss in 14 half-moves
4 Nb6 loss in 14 half-moves
5 Kb8 loss in 4 half-moves
6 Ka6 loss in 2 half-moves
7 Ka8 loss in 2 half-moves
8 Na5 loss in 2 half-moves
9 Nb2 loss in 2 half-moves
10 Nd2 loss in 2 half-moves
11 Ne5 loss in 2 half-moves
12 Na3 loss in 1 half-moves
13 Ne3 loss in 1 half-moves