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

EGTB: win in 4 half-moves

# move score
1 Nb4 win in 3 half-moves
2 Ba7 draw
3 Nc1 draw
4 Nc3 draw
5 Be3 loss in 2 half-moves
6 Bh2 loss in 2 half-moves
7 Bb6 loss in 1 half-moves
8 Bc5 loss in 1 half-moves
9 Bd4 loss in 1 half-moves
10 Bf2 loss in 1 half-moves