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

EGTB: win in 4 half-moves

# move score
1 Nb4 win in 3 half-moves
2 Kc2 draw
3 Kd1 draw
4 Ke1 draw
5 Ke3 draw
6 Nc1 draw
7 Ke2 loss in 10 half-moves
8 Kc1 loss in 8 half-moves
9 Kc3 loss in 2 half-moves
10 Kd3 loss in 2 half-moves
11 Nc3 loss in 2 half-moves