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 Bc1 loss in 2 half-moves
3 Bd2 loss in 2 half-moves
4 Bf4 loss in 2 half-moves
5 Bf8 loss in 2 half-moves
6 Bg7 loss in 2 half-moves
7 Nc7 loss in 2 half-moves
8 Be3 loss in 1 half-moves
9 Bg5 loss in 1 half-moves