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

EGTB: win in 12 half-moves

# move score
1 f6 win in 11 half-moves
2 Rh4 draw
3 Rh6 draw
4 Rh7 draw
5 Rh8 draw
6 Rg5 loss in 2 half-moves
7 Rh1 loss in 2 half-moves
8 Rh2 loss in 2 half-moves
9 Rh3 loss in 2 half-moves