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

EGTB: win in 2 half-moves

# move score
1 Nb3 win in 1 half-moves
2 Kc1 loss in 2 half-moves
3 Kc3 loss in 2 half-moves
4 Kd1 loss in 2 half-moves
5 Kd3 loss in 2 half-moves
6 Ke1 loss in 2 half-moves
7 Ke3 loss in 2 half-moves
8 Kc2 loss in 1 half-moves
9 Ke2 loss in 1 half-moves
10 Nc2 loss in 1 half-moves