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

EGTB: win in 4 half-moves

# move score
1 Nb2 win in 3 half-moves
2 Kb7 loss in 4 half-moves
3 Kc7 loss in 4 half-moves
4 Kc8 loss in 4 half-moves
5 Nc3 loss in 2 half-moves
6 Ne3 loss in 2 half-moves
7 Nf2 loss in 2 half-moves
8 Ka7 loss in 1 half-moves
9 Ka8 loss in 1 half-moves