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

EGTB: loss in 5 half-moves

# move score
1 Na6 loss in 4 half-moves
2 Nac6 loss in 4 half-moves
3 Nb7 loss in 4 half-moves
4 Nbc6 loss in 4 half-moves
5 Nd7 loss in 4 half-moves
6 Nb3 loss in 2 half-moves
7 Nc4 loss in 2 half-moves