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

EGTB: win in 4 half-moves

# move score
1 Nb5 win in 3 half-moves
2 Ka6 draw
3 Ka7 draw
4 Ka8 draw
5 Kb6 draw
6 Kb8 draw
7 Kc6 draw
8 Kc7 draw
9 Kc8 draw
10 Nc8 draw
11 Ne8 draw
12 Nc4 loss in 2 half-moves
13 Ne4 loss in 2 half-moves
14 Nf5 loss in 2 half-moves
15 Nf7 loss in 2 half-moves