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

EGTB: win in 2 half-moves

# move score
1 Rg4 win in 1 half-moves
2 Rg6 win in 1 half-moves
3 Rg7 win in 1 half-moves
4 Rg8 win in 1 half-moves
5 f6 draw
6 Rg1 draw
7 Rg2 loss in 1 half-moves
8 Rg3 loss in 1 half-moves
9 Rh5 loss in 1 half-moves