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

EGTB: win in 2 half-moves

# move score
1 b4 win in 1 half-moves
2 Ba6 loss in 2 half-moves
3 Bb5 loss in 2 half-moves
4 Be2 loss in 2 half-moves
5 Bg2 loss in 2 half-moves
6 Bh3 loss in 2 half-moves
7 Bc4 loss in 1 half-moves
8 Bd3 loss in 1 half-moves