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 Ba8 loss in 2 half-moves
3 Bb7 loss in 2 half-moves
4 Bc6 loss in 2 half-moves
5 Bd5 loss in 2 half-moves
6 Bf1 loss in 2 half-moves
7 Bf3 loss in 2 half-moves
8 Bh1 loss in 2 half-moves
9 Bh3 loss in 2 half-moves
10 Na7 loss in 2 half-moves
11 Nd6 loss in 2 half-moves
12 Ne7 loss in 2 half-moves
13 Be4 loss in 1 half-moves