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 Bb2 draw
3 Bc1 draw
4 Bc5 draw
5 Bd6 draw
6 Bf8 draw
7 Bb4 loss in 2 half-moves
8 Be7 loss in 2 half-moves
9 Nc1 loss in 2 half-moves
10 Nc3 loss in 2 half-moves