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 Kb5 draw
5 Kb6 draw
6 Kb7 draw
7 Kc5 draw
8 Kc7 draw
9 Kd5 draw
10 Kd6 draw
11 Kd7 draw
12 g8=Q loss in 2 half-moves
13 g8=R loss in 2 half-moves