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

EGTB: win in 2 half-moves

# move score
1 Rg1 win in 1 half-moves
2 Rg2 win in 1 half-moves
3 Rg4 win in 1 half-moves
4 Rg6 win in 1 half-moves
5 Rg7 win in 1 half-moves
6 Rg8 win in 1 half-moves
7 f4 loss in 2 half-moves
8 Rg3 loss in 1 half-moves
9 Rh5 loss in 1 half-moves