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

EGTB: draw

# move score
1 g8=B draw
2 g8=K draw
3 g8=N draw
4 Ka6 draw
5 Ka7 draw
6 Ka8 draw
7 Kb6 draw
8 Kb8 draw
9 Kc6 draw
10 Kc7 draw
11 Kc8 draw
12 g8=Q loss in 2 half-moves
13 g8=R loss in 2 half-moves