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

EGTB: draw

# move score
1 Kb5 draw
2 Nb3 draw
3 Nc2 draw
4 Ka5 loss in 4 half-moves
5 Ka6 loss in 2 half-moves
6 Ka7 loss in 2 half-moves
7 Kb7 loss in 2 half-moves
8 Kc5 loss in 2 half-moves
9 Kc6 loss in 2 half-moves
10 Kc7 loss in 2 half-moves