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

EGTB: win in 8 half-moves

# move score
1 Nb4 win in 7 half-moves
2 Kb3 draw
3 Kb4 draw
4 Kc3 draw
5 Kd3 draw
6 Kd4 draw
7 Nc1 draw
8 Nc3 draw
9 Kb5 loss in 2 half-moves
10 Kc5 loss in 2 half-moves
11 Kd5 loss in 2 half-moves