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

EGTB: loss in 4 half-moves

# move score
1 Nb4 loss in 3 half-moves
2 Nb8 loss in 3 half-moves
3 Nc5 loss in 3 half-moves
4 N6c7 loss in 2 half-moves
5 N8c7 loss in 1 half-moves
6 Nb6 loss in 1 half-moves