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 3 half-moves
2 a8=K draw
3 Nb4 draw
4 Nb6 draw
5 Nc3 draw
6 Nc7 draw
7 Ne3 draw
8 Ne7 draw
9 Nf4 draw
10 Nf6 draw
11 a8=N loss in 16 half-moves
12 a8=B loss in 4 half-moves
13 a8=Q loss in 4 half-moves