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

EGTB: win in 10 half-moves

# move score
1 Kb6 win in 9 half-moves
2 Ka6 draw
3 Ka8 draw
4 Kb7 draw
5 Kb8 draw
6 Na4 draw
7 Nb1 draw
8 Nb5 draw
9 Nd5 draw
10 Na2 loss in 2 half-moves
11 Nd1 loss in 2 half-moves
12 Ne2 loss in 2 half-moves
13 Ne4 loss in 2 half-moves