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

EGTB: win in 4 half-moves

# move score
1 Nb3 win in 3 half-moves
2 Ka7 loss in 6 half-moves
3 Kb7 loss in 6 half-moves
4 Kb6 loss in 2 half-moves
5 Na2 loss in 2 half-moves
6 Nd3 loss in 2 half-moves
7 Ne2 loss in 2 half-moves
8 Ka5 loss in 1 half-moves
9 Kb5 loss in 1 half-moves