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

EGTB: win in 4 half-moves

# move score
1 b7 win in 3 half-moves
2 Nf5 win in 7 half-moves
3 Nf1 win in 9 half-moves
4 Ne2 loss in 2 half-moves
5 Ne4 loss in 2 half-moves
6 Nh1 loss in 2 half-moves
7 Nh5 loss in 2 half-moves