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

EGTB: draw

# move score
1 Kb4 draw
2 Kb5 draw
3 Kc5 draw
4 Kd5 draw
5 Nf7 draw
6 Kd4 loss in 2 half-moves
7 Ng6 loss in 2 half-moves
8 Kb3 loss in 1 half-moves
9 Kc3 loss in 1 half-moves
10 Kd3 loss in 1 half-moves