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

EGTB: win in 9 half-moves

# move score
1 b7 win in 8 half-moves
2 Nb5 draw
3 Nc4 draw
4 Nb7 loss in 1 half-moves
5 Nc8 loss in 1 half-moves
6 Ne4 loss in 1 half-moves
7 Ne8 loss in 1 half-moves
8 Nf5 loss in 1 half-moves
9 Nf7 loss in 1 half-moves