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

EGTB: win in 2 half-moves

# move score
1 Rb8 win in 1 half-moves
2 Rc8 win in 1 half-moves
3 Rd8 win in 1 half-moves
4 Rg8 win in 1 half-moves
5 Rh8 win in 1 half-moves
6 f7 draw
7 Ra8 loss in 1 half-moves
8 Re8 loss in 1 half-moves
9 Rf7 loss in 1 half-moves