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 Nd1 loss in 2 half-moves
3 Nd3 loss in 2 half-moves
4 Na4 loss in 1 half-moves
5 Nc4 loss in 1 half-moves