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 Ka5 draw
3 Ka6 draw
4 Ka7 draw
5 Kb5 draw
6 Kb7 draw
7 Kc5 draw
8 Kc6 draw
9 Na6 draw
10 Na8 draw
11 Nd5 loss in 2 half-moves
12 Ne6 loss in 2 half-moves
13 Ne8 loss in 2 half-moves