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

EGTB: loss in 3 half-moves

# move score
1 b4 loss in 2 half-moves
2 Bc2 loss in 2 half-moves
3 Be2 loss in 2 half-moves
4 Bf3 loss in 2 half-moves
5 Bg4 loss in 2 half-moves
6 Bh5 loss in 1 half-moves