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

EGTB: win in 2 half-moves

# move score
1 b6 win in 1 half-moves
2 Be8 win in 1 half-moves
3 Bg4 win in 1 half-moves
4 Bd1 loss in 2 half-moves
5 Be2 loss in 2 half-moves
6 Bf3 loss in 2 half-moves
7 Bf7 loss in 2 half-moves
8 Bg6 loss in 2 half-moves