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

EGTB: win in 1 half-moves

# move score
1 a8=R win in 5 half-moves
2 a8=K loss in 4 half-moves
3 a8=B loss in 2 half-moves
4 a8=Q loss in 2 half-moves
5 Nc3 loss in 2 half-moves
6 Nf2 loss in 2 half-moves
7 a8=N loss in 1 half-moves
8 Nb2 loss in 1 half-moves
9 Ne3 loss in 1 half-moves