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

EGTB: loss in 4 half-moves

# move score
1 Na6 loss in 3 half-moves
2 Nac6 loss in 3 half-moves
3 Nb5 loss in 3 half-moves
4 Nbc6 loss in 3 half-moves
5 Nc8 loss in 3 half-moves
6 Nd7 loss in 3 half-moves