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

EGTB: win in 2 half-moves

# move score
1 Na8 win in 1 half-moves
2 b7 loss in 2 half-moves
3 Na6 loss in 2 half-moves
4 Nb5 loss in 2 half-moves
5 Nd5 loss in 2 half-moves
6 Ne6 loss in 2 half-moves
7 Ne8 loss in 1 half-moves