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

EGTB: win in 10 half-moves

# move score
1 Kb5 win in 9 half-moves
2 Ka4 draw
3 Ka6 draw
4 Kb6 draw
5 Na7 draw
6 Nb4 draw
7 Nb8 draw
8 Nd8 draw
9 Ne7 draw
10 Kb4 loss in 2 half-moves
11 Nd4 loss in 2 half-moves
12 Ne5 loss in 2 half-moves