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

EGTB: win in 2 half-moves

# move score
1 Na2 win in 1 half-moves
2 b8=K draw
3 Na4 draw
4 Nb1 draw
5 Nb5 draw
6 Nd1 draw
7 Nd5 draw
8 Ne2 draw
9 Ne4 draw
10 b8=B loss in 2 half-moves
11 b8=N loss in 2 half-moves
12 b8=Q loss in 2 half-moves
13 b8=R loss in 2 half-moves