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

EGTB: loss in 11 half-moves

# move score
1 b7 loss in 10 half-moves
2 Nd1 loss in 5 half-moves
3 Na4 loss in 3 half-moves
4 Nc4 loss in 2 half-moves
5 Nd3 loss in 2 half-moves