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

EGTB: win in 2 half-moves

# move score
1 Ba3 win in 1 half-moves
2 Bc5 win in 1 half-moves
3 Bg7 win in 1 half-moves
4 Bb4 loss in 2 half-moves
5 Bd6 loss in 2 half-moves
6 Be7 loss in 2 half-moves
7 Bh6 loss in 2 half-moves