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

EGTB: draw

# move score
1 a8=K draw
2 a8=R draw
3 Nb4 draw
4 Nc1 draw
5 Nc3 draw
6 a8=B loss in 4 half-moves
7 a8=Q loss in 4 half-moves
8 a8=N loss in 3 half-moves