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

EGTB: win in 6 half-moves

# move score
1 Rh8 win in 5 half-moves
2 Rg7 loss in 8 half-moves
3 g7 loss in 4 half-moves
4 Ra8 loss in 2 half-moves
5 Rb8 loss in 2 half-moves
6 Rc8 loss in 2 half-moves
7 Rd8 loss in 2 half-moves
8 Re8 loss in 2 half-moves
9 Rf8 loss in 2 half-moves