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 Nb2 loss in 2 half-moves
3 Nc3 loss in 2 half-moves
4 Nf2 loss in 2 half-moves
5 Ne3 loss in 1 half-moves