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

EGTB: draw

# move score
1 Kb1 draw
2 Kb2 draw
3 Kc2 draw
4 Kd1 draw
5 Nb3 draw
6 Nc4 draw
7 Ne4 draw
8 Nf1 draw
9 Nf3 draw
10 Nb1 loss in 56 half-moves