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

EGTB: win in 4 half-moves

# move score
1 Nb6 win in 3 half-moves
2 Kb5 draw
3 Kc3 draw
4 Kc5 draw
5 Kd3 draw
6 Kd4 draw
7 Kd5 draw
8 Nc3 draw
9 Nc5 draw
10 Kb4 loss in 12 half-moves
11 Kb3 loss in 6 half-moves
12 Nb2 loss in 4 half-moves