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

EGTB: draw

# move score
1 Ka4 draw
2 Ka5 draw
3 Kb6 draw
4 Kc6 draw
5 Nb4 draw
6 Nb8 draw
7 Nc5 draw
8 Nc7 draw
9 Kb4 loss in 2 half-moves
10 Kc4 loss in 2 half-moves
11 Kc5 loss in 2 half-moves