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 Bb8 loss in 2 half-moves
3 Bc7 loss in 2 half-moves
4 Bd6 loss in 2 half-moves
5 Bf4 loss in 2 half-moves
6 Bh4 loss in 2 half-moves
7 Nb2 loss in 2 half-moves
8 Nc3 loss in 2 half-moves
9 Nc5 loss in 2 half-moves
10 Be1 loss in 1 half-moves
11 Be5 loss in 1 half-moves
12 Bf2 loss in 1 half-moves
13 Bh2 loss in 1 half-moves