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

EGTB: loss in 3 half-moves

# move score
1 Nb3 loss in 2 half-moves
2 Nc2 loss in 2 half-moves
3 a8=B loss in 1 half-moves
4 a8=K loss in 1 half-moves
5 a8=N loss in 1 half-moves
6 a8=Q loss in 1 half-moves
7 a8=R loss in 1 half-moves