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

EGTB: win in 4 half-moves

# move score
1 Kb3 win in 3 half-moves
2 Ka3 draw
3 Ka5 draw
4 Kb4 draw
5 Kb5 draw
6 Na7 draw
7 Nb8 draw
8 Nd4 draw
9 Na5 loss in 24 half-moves
10 Nd8 loss in 22 half-moves
11 Nb4 loss in 20 half-moves
12 Ne5 loss in 4 half-moves
13 Ne7 loss in 1 half-moves