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

EGTB: win in 4 half-moves

# move score
1 Kf6 win in 3 half-moves
2 Ke4 draw
3 Ke5 draw
4 Ke6 draw
5 Kf4 draw
6 Kg4 draw
7 Nd1 draw
8 Ng4 draw
9 Nh1 draw
10 Nh3 draw
11 Kg5 loss in 2 half-moves
12 Kg6 loss in 2 half-moves
13 Nd3 loss in 2 half-moves
14 Ne4 loss in 2 half-moves